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B2 Upper Intermediate English 6:15 693 words Educational

Can you figure out the savanna mystery? - Cella Wright

TED-Ed · 353,245 views · Added 3 months ago

AI Summary

This video presents a fascinating ecological mystery about how invasive big-headed ants in Kenya triggered a chain reaction affecting acacia trees, elephants, zebras, buffalo, and lions. Learners will build vocabulary related to ecology, invasive species, and food webs, including terms like mutualistic relationships, super-colonies, pheromones, and defoliation. The video provides excellent practice for understanding cause-and-effect reasoning and scientific argumentation in English, perfect for discussing environmental interconnectedness.

Learning Stats

B2

CEFR Level

693

Total Words

378

Unique Words

6/10

Difficulty

Vocabulary Diversity 55%

Key Vocabulary (18)

water A1 noun

H2O liquid

big A1 adjective

large

species B2 noun

A species is a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. It is the basic unit of biological classification and taxonomic rank in the hierarchy of living things.

Grammar in This Video

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