exactly!

来源: AnaZhang 于 2009-11-29 09:14:30 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (139 bytes)
本帖于 2010-09-28 08:04:20 时间, 由超管 论坛管理 编辑
回答: lol 由 AnaZhang 于 2009-11-29 09:03:27

hermaphrodite. One earthworm has both male and female sexual organs. However it still needs to mate with another earthworm to produce eggs.

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