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海底世界：揭密海星是如何交配的? (组图)(3)

2007-07-02 10:48:01 论坛　【大中小】发表评论

雄性海星的每个腕上都有一对睾丸，它们将大量精子排到水中，雌性也同样通过长在腕两侧的卵巢排出成千上万的卵子。

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