At the A1 level, you only need to know 'biologisch' in the context of food and shopping. You will mostly see the short form 'Bio'. When you go to a German supermarket like Rewe or Edeka, you will see 'Bio-Eier' (organic eggs) or 'Bio-Milch' (organic milk). It simply means 'organic' or 'healthy/natural'. At this stage, don't worry too much about the long word; just remember that 'Bio' is good for the environment and often more expensive. You might hear someone say 'Ich esse nur Bio,' which means 'I only eat organic food.' It's a very common word in daily life in Germany, especially in big cities where people care about healthy eating.
At the A2 level, you should start using the full adjective 'biologisch' and understand its basic grammar. You need to know that it changes its ending based on the noun: 'der biologische Apfel', 'die biologische Milch', 'das biologische Brot'. You will also encounter it in the phrase 'kontrolliert biologischer Anbau' (kbA), which you see on many food labels. You might also learn about 'biologischer Abfall' (organic waste) and the 'Bio-Tonne' (the brown trash bin). At this level, you can use the word to describe your shopping habits or to talk about simple nature topics in class.
At the B1 level, you should be able to use 'biologisch' in more abstract contexts. This includes talking about the environment, such as 'biologische Vielfalt' (biodiversity) or 'biologisch abbaubar' (biodegradable). You will also use it to describe family relationships, like 'biologische Eltern' (biological parents) versus 'Adoptiveltern'. You should be comfortable using it as an adverb (e.g., 'biologisch angebaut') and as an adjective with various case endings. You might also see it in news articles about climate change or health, where the 'biologische Uhr' (biological clock) or 'biologischer Rhythmus' are discussed.
At the B2 level, 'biologisch' becomes a tool for more technical and argumentative discussions. You might use it in an essay about 'biologische Landwirtschaft' (organic farming) versus industrial farming. You will understand its usage in scientific contexts, such as 'biologische Prozesse' or 'biologische Reaktionen'. You should also be able to distinguish it clearly from 'organisch' and 'ökologisch', using each word in its correct domain. You'll encounter it in more complex idiomatic or semi-technical expressions like 'biologische Kriegsführung' (biological warfare) or 'biologisches Gleichgewicht' (biological balance/equilibrium).
At the C1 level, your use of 'biologisch' should be precise and nuanced. You will encounter it in academic texts across various disciplines, from sociology (e.g., 'biologischer Determinismus') to advanced environmental science. You should be able to discuss the philosophical implications of 'biologische Herkunft' or the ethics of 'biologische Manipulation'. Your vocabulary will include specialized compounds like 'biologisch-dynamisch' (referring to specific farming methods like Demeter). You should also be able to recognize the word in high-level literature where it might be used metaphorically to describe the 'biologische Notwendigkeit' (biological necessity) of certain human behaviors.
At the C2 level, 'biologisch' is a word you use with complete mastery in any register. You can participate in deep scientific debates about 'biologische Evolution' or 'mikrobiologische Strukturen' with ease. You understand the historical development of the word and its role in the German 'Grüne Bewegung' (Green Movement). You can use the word in complex legal or medical contexts, such as discussing 'biologische Patente' or 'biologische Marker' in medicine. Your understanding includes the most subtle connotations, and you can switch between the scientific, commercial, and metaphorical meanings of the word without hesitation, even in high-pressure professional environments.

biologisch in 30 Seconds

  • Biologisch means biological or organic. It is used for science and food shopping.
  • In Germany, 'Bio' is the common short form for organic products in supermarkets.
  • It requires adjective endings (e.g., biologischer, biologische) when placed before a noun.
  • It is different from 'organisch', which is usually used for chemistry or body organs.

The German adjective biologisch is a versatile and essential term in modern German, primarily operating in two distinct but related spheres: the scientific realm of biology and the consumer realm of organic products. At its core, it describes anything pertaining to living organisms or the science of life. However, for a learner of German, the most frequent encounter with this word will likely be in the context of food, agriculture, and lifestyle. In Germany, the 'Bio' movement is culturally significant, and biologisch is the formal adjective used to describe products that meet strict organic standards. Understanding this word requires recognizing that while English speakers often say 'organic' for food, Germans use biologisch or the shortened prefix Bio-.

Scientific Context
Relating to the natural processes of living things, such as the biological clock (die biologische Uhr) or biological parents (biologische Eltern).

Wir untersuchen die biologische Struktur der Zellen.

Translation: We are examining the biological structure of the cells.
Agricultural Context
Referring to farming methods that avoid synthetic chemicals and focus on sustainability. This is synonymous with 'organic' in English.

Dieser Wein wurde biologisch angebaut.

Translation: This wine was grown organically.

The word also carries a connotation of 'natural' or 'untainted.' When someone speaks of a biologische Lösung (biological solution), they might be referring to using natural predators to control pests instead of chemical pesticides. It is a word rooted in the respect for natural cycles. In social contexts, biologische Eltern (biological parents) is used to distinguish genetic parents from adoptive or foster parents. It is important to note that biologisch is never used to mean 'logical' in the sense of 'making sense'; that would be logisch. The prefix bio- comes from the Greek 'bios' meaning life, and this root remains the guiding principle for all its German applications.

Environmental Context
Used to describe biodegradability. 'Biologisch abbaubar' is a key phrase for eco-friendly packaging.

Die Tüte ist vollständig biologisch abbaubar.

Translation: The bag is completely biodegradable.

Sie kauft nur biologische Reinigungsmittel.

Translation: She only buys organic/biological cleaning products.

Das ist ein biologisches Gesetz.

Translation: That is a biological law.

Using biologisch correctly in German involves understanding adjective endings and its role as an adverb. As an adjective, it must decline based on the gender, number, and case of the noun it modifies. For example, in 'der biologische Apfel' (the organic apple), it takes the '-e' ending for a masculine nominative noun with a definite article. In 'biologisches Gemüse' (organic vegetables/singular collective), it takes '-es' for a neuter nominative with no article. This grammatical flexibility allows it to fit into any sentence structure, whether you are describing a scientific concept or a grocery item.

Attributive Use (Before a Noun)
The ending changes: 'ein biologischer Garten' (masc), 'eine biologische Farm' (fem), 'ein biologisches Ei' (neut).

Haben Sie biologische Tomaten?

Translation: Do you have organic tomatoes? (Plural accusative)
Predicative Use (After a Verb)
When it follows verbs like 'sein' (to be) or 'bleiben' (to remain), it does not take an ending: 'Das Obst ist biologisch.'

Dieses Produkt ist zu 100 Prozent biologisch.

Translation: This product is 100 percent biological/organic.

In academic writing, biologisch is often paired with abstract nouns to form complex terms. You will see 'biologische Vielfalt' (biodiversity) or 'biologische Kriegsführung' (biological warfare). In these cases, the word maintains its formal scientific tone. However, in everyday conversation, if you find the full word too long, you can often substitute it with the prefix 'Bio-'. For example, instead of saying 'Ich kaufe biologisches Fleisch,' many Germans simply say 'Ich kaufe Bio-Fleisch.' Both are correct, but the latter is more common in casual speech. It is also worth noting that 'biologisch' can be used figuratively in some contexts, such as 'der biologische Rhythmus' (biological rhythm), referring to the natural flow of human energy and sleep patterns.

Adverbial Use
Modifying a verb or another adjective: 'biologisch dynamisch' (biodynamic).

Der Abfall wird biologisch verwertet.

Translation: The waste is processed biologically.

Ist das wirklich biologisch?

Translation: Is that really organic?

Wir brauchen eine biologische Schädlingsbekämpfung.

Translation: We need biological pest control.

If you walk into any German city, you will hear and see the word biologisch (or its short form 'Bio') almost immediately. Germany has one of the largest markets for organic products in the world. You'll hear it at the 'Wochenmarkt' (weekly market) where vendors shout about their 'biologischer Anbau' (organic cultivation). You'll hear it in political debates regarding the 'Agrarwende' (agricultural transition), where politicians discuss the necessity of 'biologische Landwirtschaft' to protect the environment. It is a word that bridges the gap between the laboratory and the kitchen table.

In the Supermarket
Labels like 'aus kontrolliert biologischem Anbau' (from controlled organic cultivation) are ubiquitous on packaging.

Achten Sie auf das biologische Siegel.

Translation: Look for the organic seal.
In School and University
Students discuss 'biologische Prozesse' (biological processes) in science class. It is the standard academic adjective for the life sciences.

Das ist ein biologisches Grundprinzip.

Translation: That is a fundamental biological principle.

Furthermore, in the context of health and wellness, biologisch is used to describe a lifestyle. People might talk about their 'biologisches Alter' (biological age) in contrast to their chronological age, often after a fitness test or health checkup. In the news, you might hear about 'biologische Vielfalt' (biodiversity) being threatened by climate change. It’s also common in the cosmetics industry, where 'biologische Inhaltsstoffe' (biological ingredients) are a major selling point. Essentially, whenever the topic touches on nature, health, science, or food quality, biologisch is the key descriptor.

In Social Discussions
Discussions about 'biologische Herkunft' (biological origin) are common in genealogy or when discussing family history.

Er sucht nach seinem biologischen Vater.

Translation: He is searching for his biological father.

Die biologische Vielfalt im Regenwald ist beeindruckend.

Translation: The biodiversity in the rainforest is impressive.

Wir nutzen nur biologische Düngemittel.

Translation: We only use biological fertilizers.

The most frequent mistake English speakers make with biologisch is using the word organisch when they mean 'organic' in the context of food. While 'organic' is the standard English word for pesticide-free farming, the German word organisch is primarily a technical term in chemistry (e.g., organische Chemie) or biology (referring to bodily organs). If you tell a German waiter you want 'organisches Essen,' they might look at you confused, as it sounds like you are asking for 'food made of organs' or 'chemical-based food.' Always use biologisch or Bio for food.

Mistake: Biologisch vs. Organisch
English: 'I buy organic milk.' -> Wrong German: 'Ich kaufe organische Milch.' -> Correct German: 'Ich kaufe biologische Milch' or 'Bio-Milch.'

Nicht 'organisch', sondern biologisch sagen!

Translation: Don't say 'organic' (organisch), say 'biological' (biologisch)!
Mistake: Adjective Endings
Forgetting to decline the word. You cannot say 'das biologisch Brot'; it must be 'das biologische Brot'.

Das biologische Obst schmeckt besser.

Translation: The organic fruit tastes better. (Correct ending: -e)

One more nuance is the difference between biologisch and ökologisch. While they are often used interchangeably in casual speech, ökologisch (ecological) usually refers to the impact on the environment or the system as a whole, whereas biologisch focuses on the production method or the living matter itself. For instance, 'ökologischer Fußabdruck' (ecological footprint) is standard, not 'biologischer Fußabdruck.' Conversely, you wouldn't say 'ökologische Eltern' when referring to biological parents. Getting these subtle distinctions right will make your German sound much more natural and precise.

Mistake: Overusing the full word
In very casual settings, using 'biologisch' can sound a bit stiff. Don't be afraid to use 'Bio' as a prefix or even as a standalone noun in slang (e.g., 'Ist das Bio?').

Wir kaufen nur Bio.

Translation: We only buy organic (short form).

Die biologische Uhr tickt.

Translation: The biological clock is ticking. (Common idiom mistake: don't say 'die organische Uhr')

Ist das biologisch abbaubar?

Translation: Is that biodegradable? (Don't forget the adverbial use has no ending!)

Depending on whether you are talking about science, food, or the environment, there are several alternatives to biologisch. In the context of farming and food, ökologisch is the most direct legal synonym. In the European Union, the terms 'biologisch' and 'ökologisch' are protected and mean the same thing regarding organic standards. However, ökologisch often sounds slightly more 'environmental' or 'system-focused' than biologisch. If you want to emphasize that something is simply 'natural,' you might use natürlich or naturbelassen (unprocessed/natural).

Biologisch vs. Ökologisch
'Biologisch' focuses on the life/growth process; 'Ökologisch' focuses on the balance of the ecosystem. In food labeling, they are identical.

Das ist ein ökologischer Bauernhof.

Translation: That is an ecological/organic farm.
Biologisch vs. Natürlich
'Biologisch' implies a certified standard; 'Natürlich' is a broader, less regulated term meaning 'from nature'.

Diese Seife enthält natürliche Öle.

Translation: This soap contains natural oils.

In scientific contexts, you might use biomedizinisch (biomedical) or biochemisch (biochemical) to be more specific. If you are talking about genetics, genetisch is often the better choice. For example, 'genetischer Fingerabdruck' (genetic fingerprint) is more precise than 'biologischer Fingerabdruck' in a crime scene context. When describing the degradation of materials, kompostierbar (compostable) is a specific type of biologisch abbaubar. Understanding these layers of vocabulary allows you to choose the word that best fits the level of formality and the specific domain of your conversation.

Biologisch vs. Nachhaltig
'Biologisch' is about the 'how' of production; 'Nachhaltig' (sustainable) is about the long-term viability and ethics.

Wir streben eine nachhaltige Entwicklung an.

Translation: We are striving for sustainable development.

Das ist biologisch gesehen unmöglich.

Translation: Biologically speaking, that is impossible.

Es gibt keine biologische Rechtfertigung dafür.

Translation: There is no biological justification for that.

How Formal Is It?

Formal

"Die biologische Vielfalt ist ein Indikator für die Gesundheit des Ökosystems."

Neutral

"Ich kaufe lieber biologisches Gemüse."

Informal

"Ist das Bio oder normal?"

Child friendly

"Bio-Äpfel wachsen ohne böse Spritzmittel."

Slang

"Der Typ ist voll auf dem Bio-Trip."

Fun Fact

The modern commercial use of 'biologisch' for organic food only became popular in the late 20th century as part of the environmental movement.

Pronunciation Guide

UK /bi.oˈloːɡɪʃ/
US /bi.oˈloʊɡɪʃ/
The stress is on the third syllable: bio-LO-gisch.
Rhymes With
logisch psychologisch ökologisch geologisch technologisch soziologisch archäologisch astrologisch
Common Errors
  • Pronouncing 'gisch' like English 'gish'. In German, 'sch' is always 'sh'.
  • Putting the stress on the first syllable.
  • Forgetting the 'o' in the middle.
  • Mixing it up with 'biologisch' in English pronunciation.
  • Misspelling the '-isch' ending as '-ish'.

Difficulty Rating

Reading 2/5

Easy to recognize because it looks like 'biological'.

Writing 3/5

Requires attention to adjective endings and the '-isch' spelling.

Speaking 3/5

Pronunciation is straightforward but stress must be correct.

Listening 2/5

Clear word, often used in common contexts like shopping.

What to Learn Next

Prerequisites

Natur Essen Leben Studium Garten

Learn Next

ökologisch nachhaltig Umwelt Landwirtschaft chemisch

Advanced

Biodiversität Gentechnik Ökosystem Photosynthese Molekularbiologie

Grammar to Know

Adjective Declension

ein biologischer (masc), eine biologische (fem), ein biologisches (neut)

Compound Nouns with Bio-

Bio + Milch = Bio-Milch (Note: often with a hyphen)

-isch Suffix

Adjectives ending in -isch describe a quality (e.g., praktisch, logisch).

Adverbial usage

When modifying a verb, the adjective remains in its base form: 'biologisch angebaut'.

Weak vs Strong Declension

das biologische (weak) vs biologisches (strong) Obst.

Examples by Level

1

Ich kaufe biologische Eier.

I buy organic eggs.

Plural accusative adjective ending '-e'.

2

Ist das Bio?

Is that organic?

Short form used as a noun/adjective.

3

Bio-Milch ist gut.

Organic milk is good.

Compound noun with Bio-.

4

Das ist biologisch.

That is biological/organic.

Predicative use, no ending.

5

Ich esse biologisch.

I eat organically.

Adverbial use.

6

Wo ist der Bio-Laden?

Where is the organic shop?

Compound noun.

7

Biologisches Obst ist teuer.

Organic fruit is expensive.

Neuter nominative ending '-es'.

8

Das ist ein Bio-Apfel.

That is an organic apple.

Compound noun.

1

Wir trennen den biologischen Abfall.

We separate the organic waste.

Masculine accusative ending '-en'.

2

Er arbeitet in einem biologischen Garten.

He works in a biological/organic garden.

Dative masculine ending '-en'.

3

Gibt es hier biologisches Fleisch?

Is there organic meat here?

Neuter nominative ending '-es'.

4

Diese Tomaten sind biologisch angebaut.

These tomatoes are grown organically.

Adverbial usage.

5

Meine Mutter kauft nur biologische Butter.

My mother only buys organic butter.

Feminine accusative ending '-e'.

6

Der Wein ist aus biologischem Anbau.

The wine is from organic cultivation.

Dative masculine ending '-em'.

7

Wir lernen über biologische Prozesse.

We are learning about biological processes.

Plural accusative ending '-e'.

8

Das ist ein biologisches Produkt.

That is a biological product.

Neuter nominative ending '-es'.

1

Die biologische Vielfalt ist wichtig für die Natur.

Biodiversity is important for nature.

Feminine nominative ending '-e'.

2

Diese Verpackung ist biologisch abbaubar.

This packaging is biodegradable.

Adverbial phrase.

3

Sie sucht ihre biologischen Eltern.

She is looking for her biological parents.

Plural accusative ending '-en'.

4

Mein biologischer Rhythmus ist gestört.

My biological rhythm is disrupted.

Masculine nominative ending '-er'.

5

Wir nutzen biologische Schädlingsbekämpfung.

We use biological pest control.

Feminine accusative ending '-e'.

6

Das biologische Alter kann variieren.

Biological age can vary.

Neuter nominative ending '-e' (weak declension).

7

Er studiert biologische Landwirtschaft.

He is studying organic farming.

Feminine accusative ending '-e'.

8

Es gibt biologische Unterschiede zwischen den Arten.

There are biological differences between the species.

Plural accusative ending '-e'.

1

Die biologische Uhr tickt bei vielen Frauen.

The biological clock is ticking for many women.

Idiomatic usage.

2

Wir müssen das biologische Gleichgewicht bewahren.

We must maintain the biological balance.

Neuter accusative ending '-e' (weak declension).

3

Biologische Waffen sind international verboten.

Biological weapons are internationally banned.

Plural nominative ending '-e'.

4

Die Forschung an biologischen Systemen ist komplex.

Research on biological systems is complex.

Dative plural ending '-en'.

5

Es ist eine biologische Notwendigkeit zu schlafen.

It is a biological necessity to sleep.

Feminine nominative ending '-e'.

6

Die biologische Reinigung des Abwassers dauert lange.

The biological purification of wastewater takes a long time.

Feminine nominative ending '-e'.

7

Sie bevorzugt biologisch-dynamische Weine.

She prefers biodynamic wines.

Compound adjective.

8

Das ist ein biologisches Gesetz der Evolution.

That is a biological law of evolution.

Neuter nominative ending '-es'.

1

Der biologische Determinismus ist umstritten.

Biological determinism is controversial.

Masculine nominative ending '-e' (weak declension).

2

Wir untersuchen die biologische Beschaffenheit des Bodens.

We are examining the biological composition of the soil.

Feminine accusative ending '-e' (weak declension).

3

Das Medikament hat eine hohe biologische Verfügbarkeit.

The drug has high bioavailability.

Feminine accusative ending '-e'.

4

Biologische Faktoren spielen eine entscheidende Rolle.

Biological factors play a decisive role.

Plural nominative ending '-e'.

5

Die biologische Herkunft lässt sich per DNA-Test klären.

Biological origin can be clarified via DNA test.

Feminine nominative ending '-e'.

6

Es gibt keine rein biologische Erklärung für dieses Verhalten.

There is no purely biological explanation for this behavior.

Feminine nominative ending '-e'.

7

Die biologische Abbaubarkeit von Kunststoffen ist ein Forschungsziel.

The biodegradability of plastics is a research goal.

Feminine nominative ending '-e'.

8

Sie interessieren sich für biologische Anthropologie.

They are interested in biological anthropology.

Feminine accusative ending '-e'.

1

Die biologische Evolution verläuft über Jahrmillionen.

Biological evolution takes place over millions of years.

Feminine nominative ending '-e'.

2

Er referierte über die biologische Kybernetik.

He gave a lecture on biological cybernetics.

Feminine accusative ending '-e'.

3

Die biologische Vielfalt ist ein globales Gemeingut.

Biodiversity is a global common good.

Feminine nominative ending '-e'.

4

Wir müssen die biologischen Grundlagen des Bewusstseins erforschen.

We must research the biological foundations of consciousness.

Dative plural ending '-en'.

5

Die biologische Wirksamkeit des Präparats ist belegt.

The biological effectiveness of the preparation is proven.

Feminine nominative ending '-e'.

6

Es handelt sich um eine biologische Mutation.

It is a biological mutation.

Feminine accusative ending '-e'.

7

Die biologische Systematik ordnet alle Lebewesen ein.

Biological systematics categorizes all living organisms.

Feminine nominative ending '-e'.

8

Biologische Erkenntnisse revolutionieren die Medizin.

Biological insights are revolutionizing medicine.

Plural nominative ending '-e'.

Common Collocations

biologischer Anbau
biologisch abbaubar
biologische Uhr
biologische Vielfalt
biologische Eltern
biologisches Gleichgewicht
biologische Waffen
biologische Reinigung
biologisches Alter
kontrolliert biologisch

Common Phrases

aus biologischem Anbau

— Grown organically.

Ich kaufe nur Wein aus biologischem Anbau.

biologisch gesehen

— From a biological perspective.

Biologisch gesehen sind wir alle gleich.

rein biologisch

— Purely biological/organic.

Das ist ein rein biologisches Produkt.

biologisch-dynamisch

— A specific, strict type of organic farming (Demeter).

Er arbeitet auf einem biologisch-dynamischen Hof.

biologische Station

— A research center for nature.

Wir besuchen die biologische Station im Moor.

biologischer Rhythmus

— The natural cycle of the body.

Mein biologischer Rhythmus ist im Eimer.

biologische Landwirtschaft

— Organic farming.

Biologische Landwirtschaft schont den Boden.

biologische Bekämpfung

— Biological control (of pests).

Biologische Bekämpfung ist besser als Gift.

biologische Wertigkeit

— Biological value (of proteins).

Eier haben eine hohe biologische Wertigkeit.

biologische Psychologie

— The study of the biological basis of behavior.

Sie belegt einen Kurs in biologischer Psychologie.

Often Confused With

biologisch vs organisch

English 'organic' food is 'biologisch' in German. 'Organisch' is for chemistry or organs.

biologisch vs logisch

Sounds similar but means 'logical'.

biologisch vs ökologisch

Very similar, but 'ökologisch' often implies a broader environmental system.

Idioms & Expressions

"Die biologische Uhr tickt"

— Referring to the declining fertility of a woman as she gets older.

Sie ist 38 und merkt, dass die biologische Uhr tickt.

neutral
"Biologisch abbaubar sein"

— Can be broken down by bacteria/nature; often used figuratively for things that don't last.

Ihre Argumente waren leider nicht biologisch abbaubar.

informal
"Ein biologisches Wunder"

— Something that shouldn't be possible according to science.

Dass er das überlebt hat, ist ein biologisches Wunder.

neutral
"Sein biologisches Alter"

— How old the body feels/looks vs. chronological age.

Er ist 60, aber sein biologisches Alter ist 45.

neutral
"Auf die biologische Art"

— Doing something naturally without technology.

Wir lösen das Problem auf die biologische Art.

informal
"Biologische Einheit"

— Two things that belong together like a single organism.

Das Team fungiert als eine biologische Einheit.

literary
"Biologische Nische"

— Finding one's perfect spot in life or business.

Er hat seine biologische Nische im Markt gefunden.

neutral
"Biologische Barriere"

— A natural limit to what is possible.

Wir stoßen an eine biologische Barriere.

formal
"Biologische Vielfalt im Kopf"

— Having many different ideas (creative slang).

Sie hat eine echte biologische Vielfalt im Kopf.

slang
"Vom Bio-Virus infiziert"

— Becoming obsessed with organic living.

Seit sie in Berlin wohnt, ist sie vom Bio-Virus infiziert.

informal

Easily Confused

biologisch vs organisch

False friend with English 'organic'.

In German, 'organisch' refers to the structure of organs or carbon-based chemistry, not farming standards.

Organische Chemie vs. Biologische Tomaten.

biologisch vs natürlich

Both imply 'from nature'.

'Biologisch' implies a certified standard; 'natürlich' is a general, marketing-heavy term with less legal weight.

Natürliche Aromen vs. Biologische Milch.

biologisch vs logisch

Phonetic similarity.

'Logisch' refers to logic/reason; 'biologisch' refers to life/biology.

Das ist logisch (That makes sense).

biologisch vs ökologisch

Used as synonyms in food.

Legal synonyms in food, but 'ökologisch' is used for 'ecological footprint' while 'biologisch' is used for 'biological parents'.

Ökologischer Fußabdruck.

biologisch vs biografisch

Similar prefix.

'Biografisch' refers to a biography/life story; 'biologisch' to the science of life.

Biografische Daten.

Sentence Patterns

A1

Ich kaufe [Bio-Noun].

Ich kaufe Bio-Brot.

A2

Das ist [Adjective Ending] biologisch [Noun].

Das ist biologisches Gemüse.

B1

Etwas ist biologisch [Adjective/Verb].

Die Tüte ist biologisch abbaubar.

B1

Die biologische [Noun] ist [Adjective].

Die biologische Vielfalt ist bedroht.

B2

Aus [Adjective Ending] biologisch [Noun].

Aus kontrolliert biologischem Anbau.

C1

Biologisch gesehen ist [Sentence].

Biologisch gesehen ist das ein Wunder.

C1

Es gibt [Adjective Ending] biologisch [Noun].

Es gibt biologische Gründe dafür.

C2

Trotz der biologischen [Noun]...

Trotz der biologischen Komplexität...

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Very high in Germany due to the 'Bio' culture.

Common Mistakes
  • Ich esse organische Äpfel. Ich esse biologische Äpfel.

    'Organisch' refers to chemistry, not farming.

  • Das ist ein biologisch Apfel. Das ist ein biologischer Apfel.

    Adjectives before nouns need endings.

  • Meine biologisch Uhr tickt. Meine biologische Uhr tickt.

    Feminine nominative ending '-e' is missing.

  • biologich biologisch

    Spelling error: missing the 's'.

  • biologische Vater biologischer Vater

    Mixed up the masculine nominative ending.

Tips

Endings Matter

Always check the noun's gender. 'Biologischer Tee' (masc), 'Biologische Milch' (fem), 'Biologisches Wasser' (neut).

The Bio Prefix

When in doubt, use 'Bio-' as a prefix. It works for almost all food items.

Look for the Hexagon

The German Bio-Siegel is a hexagon. If you see it, the product is 'biologisch'.

Academic Use

In a lab, 'biologisch' is the only word to use. 'Organisch' is for carbon chemistry.

The Clock

Use 'die biologische Uhr' to talk about the pressure to have children.

Waste Disposal

In Germany, 'Bio-Müll' is a serious business. Don't put plastic in the Bio-Tonne!

Stress the Middle

Focus on the 'O' in the middle: bi-o-LO-gisch.

Price Point

'Bio' products are usually more expensive (teurer) than 'konventionell' ones.

Bio vs Eco

Remember that 'Bio' and 'Öko' are often used as synonyms on German labels.

Spelling Check

Don't forget the 's' in '-isch'. It's not 'biologich'.

Memorize It

Mnemonic

Think of a 'Bio-Log'. A log is from nature (Bio) and you can study its rings (Logy). Biologisch is anything natural you can study.

Visual Association

Imagine a green leaf shaped like the letter 'B' sitting on top of an apple. This connects the word 'Biologisch' with 'Bio' and 'Nature'.

Word Web

Biologie Bio-Laden Natur Essen Zelle Abfall Eltern Uhr

Challenge

Go to a grocery store website (like rewe.de) and search for 'biologisch'. List five items you find and their prices.

Word Origin

Derived from the Greek words 'bios' (life) and 'logos' (word, study, reason). It entered German through the Latinized scientific vocabulary of the 19th century.

Original meaning: Pertaining to the study of life.

Indo-European (Greek root via Latin and French influence).

Cultural Context

No specific sensitivities, but be aware that 'biologische Eltern' is the standard term for birth parents.

In English, we say 'organic' for food. In German, 'organisch' is for chemistry. Use 'biologisch' for your salad!

The 'Bio-Siegel' (German state organic seal). Demeter (the strictest biological-dynamic farming association). Bioland (Germany's largest organic farming association).

Practice in Real Life

Real-World Contexts

Supermarket

  • Wo ist das biologische Gemüse?
  • Ist das Bio-Siegel echt?
  • Ich nehme die Bio-Eier.
  • Gibt es Bio-Milch?

Science Class

  • Wir besprechen biologische Zellen.
  • Was ist ein biologischer Prozess?
  • Biologie ist mein Lieblingsfach.
  • Die biologische Evolution.

Environmental Discussion

  • Plastik ist nicht biologisch abbaubar.
  • Wir müssen die biologische Vielfalt schützen.
  • Biologische Landwirtschaft ist wichtig.
  • Nachhaltigkeit und Bio.

Family/Health

  • Wer sind deine biologischen Eltern?
  • Meine biologische Uhr tickt.
  • Mein biologisches Alter ist top.
  • Ein biologischer Rhythmus.

Gardening

  • Ich nutze biologischen Dünger.
  • Das ist ein biologischer Garten.
  • Keine Chemie, nur biologisch.
  • Biologische Schädlingsbekämpfung.

Conversation Starters

"Kaufst du lieber biologische Produkte oder konventionelle?"

"Glaubst du, dass biologische Landwirtschaft die Welt retten kann?"

"Ist dir das Bio-Siegel beim Einkaufen wichtig?"

"Was hältst du von biologisch abbaubarem Plastik?"

"Hast du schon mal in einem Bio-Laden gearbeitet?"

Journal Prompts

Schreibe über deine Meinung zu biologischem Essen. Ist es den höheren Preis wert?

Wie wichtig ist biologische Vielfalt in deiner Heimatregion?

Beschreibe deinen biologischen Rhythmus. Bist du eine Eule oder eine Lerche?

Was bedeutet 'biologisch leben' für dich persönlich?

Stell dir vor, alle Produkte wären biologisch. Wie würde sich die Welt verändern?

Frequently Asked Questions

10 questions

In the context of food and farming, yes. In science, it means 'related to biology'.

No, that sounds like 'eggs made of organs'. Say 'biologische Eier' or 'Bio-Eier'.

It is organic waste, like food scraps, which Germans put in a separate brown bin.

Yes. 'Bio' is used in speech and on labels, while 'biologisch' is used in full sentences and science.

It means 'biodegradable'—nature can break it down.

It's a soft 'sh' sound, like in 'fish', but slightly softer (ich-Laut or sch-Laut depending on region).

Yes, 'biologische Eltern' is the correct term.

A shop that only sells organic products.

Extremely. Germany is a leader in the organic market.

Yes, it is an adjective and must decline according to the noun it modifies.

Test Yourself 180 questions

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Write a sentence using 'biologisch' to describe your favorite food.

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Translate: 'Is this milk organic?'

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Explain in German why you buy 'Bio' products.

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Write a sentence about 'biologische Vielfalt'.

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Translate: 'Biological parents are important.'

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Describe 'Bio-Müll' in one sentence.

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Translate: 'The biological clock is ticking.'

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Use 'biologisch abbaubar' in a sentence.

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Translate: 'I study biology at the university.'

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Write a sentence using 'biologisch gesehen'.

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Translate: 'We need biological solutions.'

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Describe a 'Bio-Laden'.

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Translate: 'He is a biological scientist.'

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Write a sentence about 'biologische Landwirtschaft'.

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Translate: 'Biodegradable plastics are better.'

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Use 'biologisches Gleichgewicht' in a sentence.

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Translate: 'Biological factors are relevant.'

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Write a sentence about your 'biologischer Rhythmus'.

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Translate: 'Organic farming is sustainable.'

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Write a short dialogue about buying eggs.

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Say: 'Ich kaufe biologische Produkte.'

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Say: 'Das ist biologisch abbaubar.'

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Say: 'Meine biologische Uhr tickt.'

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Say: 'Biologische Vielfalt ist wichtig.'

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Say: 'Wir brauchen biologische Landwirtschaft.'

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Say: 'Ist das aus biologischem Anbau?'

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Say: 'Das ist ein biologisches Wunder.'

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Say: 'Wer sind deine biologischen Eltern?'

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Say: 'Ich studiere Biologie.'

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Say: 'Biologisch gesehen ist das falsch.'

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Say: 'Bio-Eier schmecken besser.'

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Say: 'Das ist mein biologischer Rhythmus.'

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Say: 'Wir trennen biologischen Abfall.'

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Say: 'Das ist biologisch-dynamisch.'

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Say: 'Biologische Faktoren zählen.'

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Say: 'Gibt es einen Bio-Laden hier?'

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Say: 'Das ist ein biologisches Gesetz.'

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Say: 'Wir brauchen eine biologische Lösung.'

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Say: 'Die biologische Evolution dauert lange.'

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Say: 'Ist das Fleisch biologisch?'

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Listen and write: 'Ich kaufe biologische Äpfel.'

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Listen and write: 'Bio-Milch ist gesund.'

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Listen and write: 'Biologische Vielfalt schrumpft.'

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Listen and write: 'Das ist biologisch abbaubar.'

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Listen and write: 'Wer sind die biologischen Eltern?'

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Listen and write: 'Die biologische Uhr tickt.'

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Listen and write: 'Wir brauchen biologische Dünger.'

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Listen and write: 'Das ist biologisch gesehen unmöglich.'

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Listen and write: 'Er studiert Biologie.'

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Listen and write: 'Wo ist der nächste Bio-Laden?'

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Listen and write: 'Ist das aus biologischem Anbau?'

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Listen and write: 'Biologische Landwirtschaft hilft.'

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Listen and write: 'Das ist ein biologisches Wunder.'

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Listen and write: 'Wir trennen den biologischen Abfall.'

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Listen and write: 'Biologische Faktoren sind wichtig.'

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/ 180 correct

Perfect score!

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