The different appearance of animals is chiefly superficial; the diverse variety of known forms can be assorted among only a half -dozen basic body plans.

Câu hỏi :

The different appearance of animals is chiefly superficial; the diverse variety of known forms can be assorted among only a half -dozen basic body plans.

A recognized

B acknowledged

C different

D critical

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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