Dear students, Here is your today IELTS Reading practice. Please read the following article: After wolves were reintroduced, elk altered grazing patterns, allowing streamside vegetation to recover. T

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Aleksandra

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Dear students, Here is your today IELTS Reading practice. Please read the following article: After wolves were reintroduced, elk altered grazing patterns, allowing streamside vegetation to recover. The cascading changes improved habitat for beavers and birds.

Question: What ecological concept is illustrated?

Genetic drift

Trophic cascades affecting multiple species

Desertification

Ocean acidification

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2026年5月19日 00:28

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