The author mentions tropical Asia in the passage as an example of a location where

Câu hỏi :

Read the followingpassage carefully and then choose the best answer to each question.

A. butterílies are affected by human populations 

B. documenting plant species is more difficult than documenting butteríly species 

C. butteríly behavior varies with climate 

D. a general theory of butteríly diversity has not yet been firmly established

* Đáp án

* Hướng dẫn giải

Ý trong bài: A general theory of diversity would have to predict not only this difference between temperate and tropical zones, but also patterns within each region, and how these patterns vary among different animal and plant groups. However, for butterflies, variation of species richness within temperate or tropical regions,...

Những ý đã bôi đen đó thì trong câu đều có trong câu A,B,C

=> Đáp án là A. sự di cư giữa vùng ôn đới và nhiệt đới

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