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ecosystems

B1 noun #34 よく出る 11分で読める

ecosystems

上位34

練習する例文メモとヒント ecosystems 30秒で

解説 ecosystems in your Level:

At the A1 level, you can think of 'ecosystems' as a big word for a simple idea: how plants, animals, and the place where they live all help each other. Imagine a small pond. The fish need the water. The plants in the water give the fish food and air. The sun helps the plants grow. All of these things together are an ecosystem. You don't need to use this word often at A1, but you might see it in books about nature. Just remember: it means 'living things and their home working together.' It is like a team where everyone has a job to do so that everyone can live happily.

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At the A2 level, you can start using 'ecosystems' to talk about different types of nature. You might know words like 'forest,' 'ocean,' or 'desert.' Each of these is a different ecosystem. In an A2 sentence, you could say, 'The forest ecosystem has many trees and animals.' You are learning that animals don't just live in a place; they depend on the plants and the weather there. When you learn about the environment, 'ecosystems' is a useful word to describe how nature stays balanced. If one part of the ecosystem changes, like if there is no rain, the plants and animals will have problems.

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At the B1 level, you should understand that 'ecosystems' involve complex interactions. It is not just about animals living in a place, but about how they interact with non-living things like soil, water, and sunlight. You can use the word to discuss environmental issues. For example, 'Pollution can damage fragile ecosystems.' This shows you understand that nature is a system that can be broken. You might also hear this word in business or technology. If someone says 'the Apple ecosystem,' they mean how the iPhone, Mac, and Apple Watch all work together. At this level, you can use 'ecosystems' to describe any group of things that depend on each other to function properly.

At the B2 level, you can use 'ecosystems' with more precision and in more formal contexts. You understand terms like 'biodiversity,' 'sustainability,' and 'equilibrium.' You can explain how human activity, such as deforestation or carbon emissions, impacts various ecosystems globally. You are also comfortable using the word metaphorically in professional discussions. For instance, you might analyze a 'business ecosystem' by looking at how partners, competitors, and customers interact. You should be able to discuss the 'resilience' of an ecosystem—its ability to recover from a disaster. Your vocabulary should include collocations like 'fragile ecosystems,' 'marine ecosystems,' and 'ecosystem services.'

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At the C1 level, you use 'ecosystems' to discuss nuanced ecological and systemic theories. You can talk about 'trophic cascades,' where a change at the top of a food chain affects the entire ecosystem. You understand that ecosystems are dynamic and constantly shifting, rather than static. In a professional or academic setting, you might use the term to describe 'innovation ecosystems,' referring to the complex network of universities, government funding, and private companies that drive new technology. You can write detailed reports on how specific policy changes might affect local ecosystems, using the word to emphasize the interconnectedness of biological and socio-economic factors.

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At the C2 level, you have a masterful command of the term 'ecosystems' and can use it to explore deep philosophical or highly technical concepts. You might discuss the 'Gaia hypothesis,' which views the entire Earth as a single, self-regulating ecosystem. You can use the word in complex metaphors to describe linguistic ecosystems, where different languages and dialects interact and evolve. Your usage is precise, distinguishing between 'micro-ecosystems' and 'macro-ecosystems' with ease. You can critique the limitations of the 'ecosystem' metaphor in business, arguing when it accurately describes a market and when it oversimplifies human agency. You use the word to synthesize information from biology, economics, and sociology into a coherent systemic view.

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練習する例文メモとヒント

ecosystems 30秒で

Ecosystems are biological communities where living organisms and non-living elements interact as a balanced system to sustain life and cycle nutrients.
The term is used both in biology to describe nature and in business to describe interconnected networks of products, services, and organizations.
Healthy ecosystems provide essential services like pollination, water filtration, and climate regulation, which are critical for human survival and global stability.
Human activities like pollution and deforestation often disrupt these fragile systems, leading to a loss of biodiversity and potential environmental collapse.

The term ecosystems refers to the intricate, self-regulating communities where living organisms and their physical environment function as a single unit. At its core, an ecosystem is not just a collection of animals and plants; it is the sum of their interactions. When scientists talk about ecosystems, they are looking at how energy from the sun is captured by plants, passed to herbivores, and then to carnivores, before being returned to the soil by decomposers. This cycle is the heartbeat of our planet. People use this word most frequently in scientific, environmental, and increasingly, business contexts. In biology, it describes natural wonders like the Amazon rainforest or a small pond in a backyard. In a modern metaphorical sense, tech giants like Apple or Google refer to their 'digital ecosystems,' meaning a suite of products and services that work together seamlessly to keep a user within their brand environment.

Biological Definition: A complex network of living biotic components and non-living abiotic factors like sunlight, soil, and water.
Business Context: A strategic network of organizations, including suppliers, distributors, customers, and competitors, that interact to create value.
Environmental Scale: Ecosystems can range from the entire biosphere to a single drop of water containing microbes.

The delicate balance of marine ecosystems is being threatened by rising ocean temperatures and plastic pollution.

Understanding ecosystems requires looking at the 'big picture.' For instance, if a single predator is removed from a forest, the population of deer might explode, leading to overgrazing, which then destroys the habitat for birds. This 'trophic cascade' demonstrates why the plural 'ecosystems' is often used to describe the various interconnected zones across the globe. Each ecosystem has its own unique signature, defined by its climate and the specific species that have evolved to survive there. We often hear this word in political debates regarding climate change, where the 'collapse of ecosystems' is cited as a primary concern for human food security and global stability.

Urban ecosystems are unique because they involve heavy interaction between wildlife and human-made structures.

The startup ecosystems in Silicon Valley and Berlin provide the necessary capital and mentorship for new companies to thrive.

Resilience: The ability of an ecosystem to maintain its normal patterns of nutrient cycling and biomass production after being subjected to damage.

Coral reefs are among the most diverse ecosystems on Earth, supporting thousands of species in a small area.

By protecting local ecosystems, we ensure that natural water filtration and pollination services continue to benefit agriculture.

Keystone Species: An organism that helps hold the system together; without it, the ecosystem would be dramatically different or cease to exist.

Using the word ecosystems correctly requires an understanding of its plural nature and its application across different fields. In scientific writing, it often acts as the subject of a sentence describing change or stability. For example, 'Ecosystems respond to climate shifts in unpredictable ways.' Here, the word is used to generalize about various biological communities. When discussing specific types, you might say 'Arctic ecosystems' or 'Desert ecosystems.' Notice how the adjective modifies the specific type of system being discussed. In business, the usage is similar but metaphorical: 'The company is building an ecosystem of apps.' This implies that the apps are not just separate tools but are designed to interact and support each other, much like plants and animals in a forest.

Scientific Usage: Focuses on biodiversity, energy flow, and environmental health. Example: 'Healthy ecosystems provide essential services like clean air.'
Metaphorical Usage: Focuses on interconnected products, people, or economic factors. Example: 'The entrepreneurship ecosystem in London is very supportive.'

Scientists are monitoring how various ecosystems adapt to the increasing frequency of wildfires.

Grammatically, 'ecosystems' is a countable noun. You can have one ecosystem or many ecosystems. It is frequently paired with verbs like 'sustain,' 'disrupt,' 'protect,' 'restore,' and 'study.' For instance, 'Human activities often disrupt fragile ecosystems.' In this sentence, 'fragile' describes the vulnerability of the system, while 'disrupt' shows the action being taken upon it. When writing about the environment, it is common to use the word in the plural to emphasize the global scale of the issue. Instead of saying 'The environment is in trouble,' saying 'Global ecosystems are under threat' sounds more precise and academic. It suggests that many different types of biological communities are failing simultaneously.

The restoration of wetland ecosystems has led to a significant increase in local bird populations.

Apple's ecosystems of hardware and software make it difficult for users to switch to competitors.

Collocation: Fragile Ecosystems: Used to describe environments that are easily damaged by external changes, such as tundras or coral reefs.

We must learn to live in harmony with the ecosystems that provide our food and water.

The study compared the productivity of agricultural ecosystems across three different continents.

Collocation: Ecosystem Services: A technical term for the benefits humans freely gain from the natural environment and from properly functioning ecosystems.

In the 21st century, ecosystems has become a buzzword that transcends the laboratory. You will hear it in David Attenborough documentaries, where the narrator explains the delicate balance of the Serengeti. You will hear it in the news during reports on the 'Great Barrier Reef' or 'Amazon deforestation.' However, you are just as likely to hear it in a corporate boardroom or a tech podcast. When a CEO says, 'We are expanding our ecosystem,' they aren't talking about planting trees; they are talking about adding new features to their platform to keep customers engaged. This dual usage—one biological and one metaphorical—is a hallmark of modern English.

Documentaries & Media: Used to evoke a sense of wonder and fragility about the natural world. Focuses on animals and their habitats.
Tech & Business News: Used to describe the 'stickiness' of a brand or the health of a financial market.

'The health of our planet's ecosystems is the foundation of our own health,' the activist shouted into the microphone.

In educational settings, 'ecosystems' is a core part of the curriculum from primary school through university. Students learn about food webs, the nitrogen cycle, and the impact of invasive species on local ecosystems. In political discourse, the word is used to frame environmental protection as a necessity for survival rather than a luxury. For example, a politician might argue that 'protecting our coastal ecosystems is vital for defending against storm surges.' This uses the word to bridge the gap between nature and human infrastructure. In the world of finance, 'fintech ecosystems' describes the network of banks, startups, and regulators that allow digital payments to function.

The podcast host discussed how the gaming ecosystems on PC and console are beginning to merge through cross-play.

National Geographic often features articles on how deep-sea ecosystems survive without any sunlight.

Public Policy: Refers to the management of natural resources to ensure long-term sustainability for the population.

The documentary highlighted how indigenous communities have managed forest ecosystems for thousands of years.

Investors are looking for startups that can integrate into existing payment ecosystems without causing friction.

Academic Lectures: Focuses on the quantitative data of energy transfer and species population dynamics within a system.

One of the most frequent errors when using ecosystems is confusing it with similar terms like 'environment,' 'habitat,' or 'biome.' While they are related, they are not interchangeable. An 'environment' is the general surroundings of an organism. A 'habitat' is the specific place where a species lives (like a hole in a tree). An 'ecosystem,' however, includes the interactions between all the species in that area and the physical environment. Another common mistake is treating the word as an uncountable noun. You should not say 'there is much ecosystem here'; instead, say 'there is a diverse ecosystem here' or 'there are many ecosystems in this region.'

Ecosystem vs. Environment: The environment is the 'where'; the ecosystem is the 'how it works together.'
Ecosystem vs. Habitat: A habitat is an address; an ecosystem is the whole neighborhood and its economy.

Incorrect: We need to save the ecosystems of the polar bear. (Better: We need to save the polar bear's habitat or the Arctic ecosystem.)

Another mistake is overusing the word in business contexts where 'market' or 'network' would be more appropriate. While 'ecosystem' sounds sophisticated, it specifically implies a symbiotic relationship where the success of one part depends on the others. If you are just talking about a group of companies that don't really interact, 'network' is a better choice. Additionally, people often forget that ecosystems include non-living things. If you only talk about the animals, you are talking about a 'community,' not an ecosystem. To be accurate, you must also consider the water, soil, and air that support those animals.

Incorrect: The ecosystems is changing. (Correct: The ecosystem is changing or The ecosystems are changing.)

Avoid: Using ecosystems when you just mean 'a lot of things.' It must involve interaction.

Subject-Verb Agreement: Remember that 'ecosystems' is plural. 'Ecosystems provide' (not 'provides').

Incorrect: The forest is a beautiful ecosystems. (Correct: The forest is a beautiful ecosystem.)

Common Error: Forgetting that humans are part of many ecosystems, not just observers of them.

Ecosystem vs. Biome: A biome is a large regional area (like 'the desert'); an ecosystem is the specific interaction within a part of that biome.

While ecosystems is a precise term, there are several synonyms and related words that can be used depending on the context. If you are writing a scientific paper, you might use 'ecological communities' to focus specifically on the living organisms. If you are talking about the physical space, 'habitat' or 'environment' might be better. In a broader, global sense, 'biosphere' refers to the sum of all ecosystems on Earth. Understanding these nuances helps you choose the word that fits your intended meaning most accurately.

Biome: A large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra. Use this for large-scale geographic classifications.
Habitat: The natural home or environment of an animal, plant, or other organism. Use this when focusing on a specific species.
Ecological Community: A group of actually or potentially interacting species living in the same location. Use this when excluding non-living factors like soil and water.

While the desert is a harsh biome, its individual ecosystems are surprisingly vibrant.

In business, alternatives to 'ecosystem' include 'network,' 'infrastructure,' 'platform,' or 'supply chain.' 'Network' is more general, while 'infrastructure' refers to the underlying systems. 'Platform' is specific to technology where other companies build their own products (like the iOS platform). Using 'ecosystem' in business suggests a level of organic growth and mutual benefit that 'supply chain' (which is more linear) does not. When choosing an alternative, consider whether you want to emphasize the *parts* (network), the *foundation* (infrastructure), or the *interdependence* (ecosystem).

The environment was harsh, but the ecosystem had adapted to the lack of water.

The tech network in the city is growing, but it hasn't yet reached the maturity of a full ecosystem.

Environment: The surroundings or conditions in which a person, animal, or plant lives or operates. This is the most general term.

Conservationists work to protect habitats to ensure the survival of individual species within larger ecosystems.

The biosphere is composed of countless ecosystems that interact on a global scale.

Microcosm: A community, place, or situation regarded as encapsulating in miniature the characteristic qualities or features of something much larger. Often used for very small ecosystems.

How Formal Is It?

フォーマル

ニュートラル

カジュアル

Child friendly

スラング

豆知識

Tansley created the word because he wanted a more accurate term than 'community' to include the physical factors like climate and soil, which he felt were being ignored by other scientists.

発音ガイド

UK /ˈiːkəʊˌsɪstəmz/

US /ˈiːkoʊˌsɪstəmz/

The primary stress is on the first syllable: EE-ko-sys-tems.

韻が合う語

Systems Victims (slant) Symptoms Wisdoms (slant) Kingdoms (slant) Rhythms (slant) Prisms (slant) Schisms (slant)

よくある間違い

Pronouncing 'eco' as 'echo'. It should be a long 'e' sound.
Putting the stress on the second syllable: e-KO-systems (incorrect).
Dropping the 's' at the end when referring to multiple systems.
Confusing the 'y' sound in 'systems' with a long 'i'. It should be a short 'i' as in 'sit'.
Mumbling the 'm' and 'z' sounds at the end.

難易度

読解 3/5

The word itself is easy, but the scientific texts it appears in can be complex.

ライティング 4/5

Requires understanding of pluralization and subject-verb agreement.

スピーキング 3/5

Pronunciation is straightforward once the 'eco' sound is mastered.

リスニング 2/5

Commonly used in media, making it easy to recognize.

次に学ぶべきこと

前提知識

Nature Animal Plant System Environment

次に学ぶ

Biodiversity Sustainability Conservation Interdependence Habitat

上級

Trophic levels Homeostasis Biogeochemical cycles Anthropogenic Resilience

知っておくべき文法

Plural Noun Agreement

Ecosystems *are* (not *is*) vital.

Compound Nouns

The *forest ecosystem* is beautiful.

Adjective Placement

A *fragile* ecosystem.

Articles with Specificity

*The* ecosystem of the Nile.

Prepositional Phrases

Interactions *within* the ecosystem.

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レベル別の例文

Fish and plants live in water ecosystems.

Fish and plants live in water systems.

Simple plural noun usage.

A forest is one of many ecosystems.

A forest is one type of system.

Using 'one of many' with plural.

Ecosystems need sun and water.

Systems need sun and water.

Plural subject with plural verb.

We must help our ecosystems.

We must help our systems.

Possessive adjective 'our' with plural noun.

Are there ecosystems in the desert?

Are there systems in the desert?

Question form with 'Are there'.

The park has a small ecosystem.

The park has a small system.

Singular 'ecosystem' after 'a'.

Animals love their ecosystems.

Animals love their homes.

Plural possessive 'their'.

Big ecosystems have many animals.

Large systems have many animals.

Adjective 'Big' modifying the noun.

Different ecosystems have different weather.

Different systems have different climates.

Using 'different' to show variety.

The ocean is the largest of all ecosystems.

The ocean is the biggest system.

Superlative 'largest' with 'of all'.

Many ecosystems are in danger today.

Many systems are in trouble now.

Present tense 'are' with 'in danger'.

Scientists study how ecosystems work.

Scientists look at how systems function.

Verb 'study' followed by a 'how' clause.

Plants are important for all ecosystems.

Plants are needed for every system.

Adjective 'important' with preposition 'for'.

Rain helps forest ecosystems grow.

Rain makes forest systems grow.

Noun as an adjective: 'forest ecosystems'.

Can we protect these fragile ecosystems?

Can we save these weak systems?

Modal 'Can' for possibility/request.

There are many types of ecosystems on Earth.

There are many kinds of systems.

Phrase 'types of' followed by plural noun.

Ecosystems consist of both living and non-living things.

Systems are made of living and dead things.

Phrasal verb 'consist of'.

The balance of natural ecosystems is very delicate.

The balance of systems is easy to break.

Abstract noun 'balance' as the subject.

Human activity has a big impact on local ecosystems.

People change local systems a lot.

Phrase 'have an impact on'.

We are learning about the digital ecosystems of tech companies.

We are studying how tech products work together.

Metaphorical use of 'ecosystems'.

Pollution can destroy entire ecosystems in a short time.

Dirty air/water can kill whole systems quickly.

Adjective 'entire' emphasizing scale.

Healthy ecosystems provide us with clean air and water.

Good systems give us air and water.

Verb 'provide' with 'us with'.

It is difficult to restore ecosystems once they are damaged.

It is hard to fix systems after they break.

Infinitive phrase 'to restore' as the real subject.

The study focuses on mountain ecosystems in South America.

The research looks at mountain systems.

Verb 'focuses on' with specific location.

The resilience of coastal ecosystems is vital for storm protection.

The strength of coast systems helps during storms.

Noun 'resilience' followed by 'of'.

Invasive species can outcompete native plants and disrupt ecosystems.

New plants can take over and break systems.

Compound verb 'outcompete' and 'disrupt'.

The report analyzes the economic value of ecosystem services.

The paper looks at the money value of what nature gives us.

Technical term 'ecosystem services' used as a compound noun.

Urban ecosystems present unique challenges for wildlife conservation.

City systems make it hard to save animals.

Subject 'Urban ecosystems' with verb 'present'.

Climate change is causing a shift in the boundaries of many ecosystems.

The weather is moving where systems start and end.

Present continuous 'is causing' for ongoing change.

Sustainable farming helps maintain the health of surrounding ecosystems.

Good farming keeps nearby systems healthy.

Gerund 'Sustainable farming' as the subject.

The interconnectedness of global ecosystems means that no region is isolated.

Everything is linked, so no place is alone.

Complex noun 'interconnectedness'.

Many startup ecosystems fail because they lack sufficient venture capital.

Many new business groups fail without money.

Conjunction 'because' linking cause and effect.

The degradation of coral ecosystems has profound implications for marine biodiversity.

The breaking of coral systems is very bad for sea life variety.

Formal nouns 'degradation' and 'implications'.

Trophic cascades can fundamentally alter the structure of terrestrial ecosystems.

Changes in predators can change how land systems work.

Technical term 'trophic cascades'.

Policymakers must account for the complexity of ecosystems when drafting environmental laws.

Leaders must think about how hard systems are when making laws.

Modal 'must' with phrasal verb 'account for'.

The software giant has created a closed ecosystem that discourages third-party integration.

The big company made a system that doesn't let others in.

Relative clause 'that discourages...'.

Microbial ecosystems in the human gut are essential for a healthy immune system.

Tiny systems in our stomach help us stay healthy.

Adjective 'Microbial' modifying 'ecosystems'.

The study posits that ancient ecosystems were more resilient to temperature fluctuations.

The research says old systems handled heat/cold better.

Reporting verb 'posits' followed by a 'that' clause.

We are witnessing the rapid collapse of several key ecosystems due to overexploitation.

We see systems dying fast because we use too much.

Noun 'overexploitation' as the cause.

Innovation ecosystems thrive when there is a high degree of collaboration between sectors.

New ideas grow when different groups work together.

Conditional 'when' clause.

The intricate feedback loops within ecosystems ensure a state of dynamic equilibrium.

The complex links in systems keep them balanced but moving.

Advanced scientific terminology 'feedback loops' and 'dynamic equilibrium'.

Anthropogenic pressures are pushing many ecosystems toward irreversible tipping points.

Human stress is making systems reach a point where they can't go back.

Adjective 'Anthropogenic' (human-caused).

The philosophical debate centers on whether ecosystems possess intrinsic value beyond their utility to humans.

The talk is about if systems are important just because they exist.

Complex 'whether' clause exploring abstract concepts.

Quantifying the carbon sequestration potential of peatland ecosystems is crucial for climate modeling.

Measuring how much carbon peat systems hold is key for weather math.

Gerund phrase 'Quantifying...' as a complex subject.

The proliferation of digital ecosystems has fundamentally redefined the concept of market competition.

The growth of tech systems changed how we think about business.

Present perfect 'has redefined' for a completed change with current relevance.

Ecological restoration aims to re-establish the functional integrity of degraded ecosystems.

Fixing nature aims to make broken systems work right again.

Formal phrase 'functional integrity'.

The symbiotic relationships within deep-sea hydrothermal vent ecosystems challenge our understanding of life's limits.

The way things live together in the deep sea is very surprising.

Complex subject with multiple modifiers.

One must consider the historical contingency of ecosystems to fully grasp their current state.

You have to look at the past of systems to know them now.

Formal pronoun 'One' and noun 'contingency'.

よく使う組み合わせ

Fragile ecosystems

Marine ecosystems

Ecosystem services

Business ecosystem

Digital ecosystem

Healthy ecosystems

Restore ecosystems

Disrupt ecosystems

Natural ecosystems

Terrestrial ecosystems

よく使うフレーズ

Balance of the ecosystem

— The state where all parts of the system are functioning correctly and stably.

Predators are necessary to maintain the balance of the ecosystem.

Ecosystem collapse

— A situation where an ecosystem fails and can no longer support life.

Scientists warn of potential ecosystem collapse if temperatures continue to rise.

Part of the ecosystem

— An individual element that belongs to and interacts within a larger system.

Every insect is a vital part of the ecosystem.

Innovation ecosystem

— A network of people and organizations that foster new ideas and technology.

The city is trying to build a vibrant innovation ecosystem.

Startup ecosystem

— The environment of entrepreneurs, investors, and mentors in a specific area.

Berlin has become a major hub for the European startup ecosystem.

Protecting ecosystems

— Taking actions to prevent damage to natural biological communities.

Protecting ecosystems is a key goal of the new environmental policy.

Ecosystem diversity

— The variety of different ecosystems within a specific region or the whole planet.

Ecosystem diversity is just as important as species diversity.

Global ecosystems

— The large-scale systems that cover the entire Earth.

Global ecosystems are interconnected through the atmosphere and oceans.

Fragility of ecosystems

— The quality of being easily damaged or broken.

The documentary highlighted the fragility of coral ecosystems.

Ecosystem management

— The practice of overseeing and protecting natural systems.

Effective ecosystem management requires cooperation between countries.

よく混同される語

ecosystems vs Environment

Environment is the surroundings; ecosystem is the interaction within those surroundings.

ecosystems vs Habitat

Habitat is a specific home for one species; ecosystem is the whole community.

ecosystems vs Biome

Biome is a large regional category; ecosystem is a specific functional unit.

慣用句と表現

"A cog in the machine"

— Similar to being 'part of the ecosystem,' it means being a small but necessary part of a large system.

He felt like just another cog in the corporate machine.

Informal

"The tip of the iceberg"

— Often used when discussing ecosystem problems; a small visible part of a much larger issue.

The death of these fish is just the tip of the iceberg for the river's health.

General

"Ripple effect"

— How a change in one part of an ecosystem affects everything else.

The extinction of bees would have a massive ripple effect on our food supply.

General

"Delicate balance"

— A situation that requires careful handling to avoid failure; core to ecosystem theory.

The peace treaty is a delicate balance that could easily be broken.

Formal

"Survival of the fittest"

— The idea that only the best-adapted organisms survive in an ecosystem.

In the business ecosystem, it's often survival of the fittest.

General

"Web of life"

— A poetic way to describe the interconnectedness of ecosystems.

Humans are just one strand in the complex web of life.

Literary

"Food chain"

— The hierarchical system of who eats whom in an ecosystem.

He's at the top of the corporate food chain.

General

"Circle of life"

— The natural cycle of birth, growth, and death within an ecosystem.

The documentary beautifully captured the circle of life in the savanna.

General

"In its element"

— Being in the perfect environment or ecosystem for one's skills.

The scientist was in her element while working in the rainforest.

Informal

"Stem the tide"

— To stop something from increasing or worsening, often used in conservation.

We must stem the tide of plastic entering our marine ecosystems.

General

間違えやすい

ecosystems vs Community

Both involve groups of organisms.

A community only includes living things; an ecosystem includes living and non-living things.

The bird community in the forest is part of the forest ecosystem.

ecosystems vs Biosphere

Both refer to living systems.

The biosphere is the sum of all ecosystems on the planet.

Ecosystems are the building blocks of the biosphere.

ecosystems vs Niche

Both are ecological terms.

A niche is the specific role of one species; an ecosystem is the whole system of roles.

A woodpecker's niche is eating bugs from trees in the forest ecosystem.

ecosystems vs System

Ecosystem is a type of system.

A system can be anything (mechanical, social); an ecosystem is specifically biological/environmental.

The computer system crashed, but the forest ecosystem is thriving.

ecosystems vs Nature

Used as general synonyms.

Nature is a broad, poetic term; ecosystem is a precise, scientific term.

Nature is beautiful, but this specific ecosystem is suffering from drought.

文型パターン

I like [adjective] ecosystems.

I like forest ecosystems.

There are many [noun] in ecosystems.

There are many animals in ecosystems.

Ecosystems are important because [reason].

Ecosystems are important because they give us oxygen.

The [adjective] of ecosystems is [adjective].

The resilience of ecosystems is remarkable.

Due to [cause], many ecosystems are [verb-ed].

Due to pollution, many ecosystems are threatened.

The [noun] of [type] ecosystems [verb] [noun].

The health of marine ecosystems affects global weather.

One must analyze the [noun] within ecosystems to [verb].

One must analyze the feedback loops within ecosystems to predict change.

The [adjective] nature of ecosystems [verb] [abstract noun].

The interconnected nature of ecosystems exemplifies global unity.

語族

名詞

動詞

形容詞

使い方

frequency

Common in academic and environmental contexts; increasingly common in tech and business.

よくある間違い

Using 'ecosystems' as an uncountable noun. → There are many ecosystems.
You cannot say 'much ecosystem.' It is a countable noun, so use 'many' or 'a lot of.'
Confusing 'ecosystem' with 'habitat.' → The forest ecosystem includes the soil and water.
A habitat is just the home of one animal. An ecosystem is the whole system of life and environment.
Saying 'ecosystems is.' → Ecosystems are vital.
This is a basic subject-verb agreement error. Plural nouns need plural verbs.
Pronouncing it as 'echo-systems.' → EE-ko-systems.
The prefix 'eco-' comes from 'oikos' and is always pronounced with a long 'e.'
Using 'ecosystem' to mean only animals. → The ecosystem includes the rocks and water too.
An ecosystem must include the non-living (abiotic) parts of the environment.

ヒント

Be Specific

Instead of just saying 'the ecosystem,' say 'the desert ecosystem' or 'the marine ecosystem' to be more precise.

Check Your Verbs

Remember that 'ecosystems' is plural. Always use 'are,' 'have,' or 'provide' instead of 'is,' 'has,' or 'provides.'

Learn Collocations

Words like 'fragile,' 'diverse,' and 'threatened' are often used with ecosystems. Learning them together will make you sound more natural.

Business Metaphors

Don't be afraid to use 'ecosystem' in business to describe a group of partners or a suite of products. It's very common now.

The 'Eco' Sound

Make sure the 'e' in 'eco' sounds like the 'ee' in 'see.' Avoid saying 'echo-system.'

Avoid Overuse

If you find yourself using 'ecosystem' in every paragraph, try synonyms like 'environment,' 'habitat,' or 'system' to keep your writing fresh.

Energy Flow

In science essays, use 'ecosystems' when discussing how energy moves from the sun through plants to animals.

Documentary Clues

When you hear 'ecosystem' in a documentary, pay attention to the non-living factors mentioned, like rainfall or soil type.

The Web Image

Always visualize a web when you think of ecosystems. It helps you remember that everything is connected.

Start Conversations

Use the word to talk about local environmental issues. It shows you have a good grasp of intermediate/advanced English.

暗記しよう

記憶術

Think of 'ECO' as 'Everyone Connects Online' (for digital) or 'Earth's Communities Organically' (for nature). The 'SYSTEM' part reminds you it's a working machine.

視覚的連想

Imagine a giant spider web where every strand is a plant, animal, or drop of water. If you pull one strand, the whole web moves.

Word Web

Nature Balance Interaction Plants Animals Water Soil Sunlight

チャレンジ

Try to describe your own 'personal ecosystem'—the people and things you interact with daily to stay healthy and productive.

語源

The word 'ecosystem' was coined in 1935 by the British botanist Arthur Tansley. He combined 'eco-' from the Greek 'oikos' (meaning house or dwelling) with 'system' from the Greek 'systema' (meaning an organized whole).

元の意味： A functional unit of organisms and their environment.

Greek-derived English scientific term.

文化的な背景

Be careful not to use 'ecosystem' to dehumanize people in business contexts; it can sometimes sound like people are just 'components' of a machine.

Commonly used in political speeches regarding climate change and in marketing for tech products.

The 'Circle of Life' from The Lion King is a simplified ecosystem concept. David Attenborough's 'Planet Earth' series is the most famous visual exploration of ecosystems. The 'Biosphere 2' project was a famous attempt to create a closed human-made ecosystem.

実生活で練習する

実際の使用場面

Science Class

Food web interactions
Energy transfer
Abiotic factors
Species richness

Environmental Activism

Save our ecosystems
Climate crisis impact
Fragile balance
Sustainable future

Tech Marketing

Seamless integration
Product ecosystem
User experience
Cross-platform

Business Strategy

Market ecosystem
Strategic partners
Value creation
Network effects

Travel/Nature Documentaries

Lush ecosystem
Diverse wildlife
Untouched wilderness
Natural wonder

会話のきっかけ

"What do you think is the most interesting ecosystem in the world?"

"Do you think cities can ever be healthy ecosystems for animals?"

"Are you part of a specific tech ecosystem, like Apple or Android?"

"How has the ecosystem of your workplace changed in the last year?"

"What can we do to protect the local ecosystems in our neighborhood?"

日記のテーマ

Describe a natural ecosystem you have visited. What living and non-living things did you see?

Write about the 'ecosystem' of your favorite hobby. Who are the people and what are the tools involved?

How would your life change if the digital ecosystem you use every day suddenly disappeared?

Reflect on a time you saw an ecosystem being disrupted. What happened?

If you could create a perfect ecosystem for a new planet, what would it look like?

よくある質問

10 問

Ecosystems are communities where living things like plants and animals work together with non-living things like water and soil to survive. It is like a big team where everyone has a role.

Yes, an ecosystem can be as small as a single puddle or as large as the entire ocean. The size doesn't matter as much as the interactions happening inside it.

In business, it describes a network of companies, products, and customers that depend on each other. For example, a phone needs apps, and apps need users, creating a business ecosystem.

The two main parts are biotic factors (living things like plants, animals, and bacteria) and abiotic factors (non-living things like sunlight, temperature, water, and soil).

Humans can affect ecosystems through pollution, building cities, and climate change. These actions can break the balance and cause some species to disappear.

A fragile ecosystem is one that is easily damaged by small changes. Examples include coral reefs and the Arctic, where even a small rise in temperature can cause big problems.

Yes, scientists call this an 'urban ecosystem.' It includes humans, pets, city birds, trees, and the buildings and roads they live in.

This refers to the free benefits we get from nature, such as bees pollinating our food, forests cleaning our air, and wetlands filtering our water.

A food web is a diagram showing who eats whom. An ecosystem is the whole system, including the food web plus the water, air, and soil.

Biodiversity means having many different types of life. This makes an ecosystem stronger and more likely to survive if something goes wrong, like a disease or a storm.

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