试题与答案

千姿百态的动物王国里,有些动物的身体内有由脊椎骨组成的脊柱,有些动物则没有。在下

题型:选择题

题目:

千姿百态的动物王国里,有些动物的身体内有由脊椎骨组成的脊柱,有些动物则没有。在下列生物中,全属于无脊椎动物的一组是( )

A.家鸽、壁虎、青蛙

B.蝗虫、蚯蚓、蜈蚣

C.鲫鱼、家兔、螳螂

D.蚂蚁、蜜蜂、鲨鱼

答案:

答案:B

题目分析:家鸽、壁虎、青蛙都是脊椎动物,A错误;蝗虫、蚯蚓、蜈蚣都属于无脊椎动物,B正确;鲫鱼、家兔属于脊椎动物,C错误;鲨鱼属于脊椎动物,D错误,故选B

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