問題詳情

18. Suppose that the circular muscles in an earthworm have become selectively paralyzed such that theyare not able to contract. How will this affect the earthworm's locomotion?
(A) The earthworm will be able to elongate, but not get thicker.
(B) The earthworm will be able to get thicker, but not elongate.
(C) The earthworm will not be able to elongate or get thicker.
(D) The earthworm will be able to crawl as normal.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增