尋找適合你的 英語 教師……
Aleksandra
專業教師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
2 人已做了小測驗
2026年5月19日 00:28
