The passage suggests that most rain forests specie...

A

- Hướng dẫn giải

Phương pháp giải:

Giải chi tiết:

Đáp án là A. Ý trong bài: One scientist found many different species of ants ( kiến ) in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects.