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Aleksandra
ผู้สอนมืออาชีพ
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
ทดสอบ 2 คน
19 พ.ค. 2026 เวลา 0:28

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