Photo is uploaded by pyramis on Flickr.
Edward Tufte已经写了七八本书,包括《Visual Explanations》,《 Envisioning Infor...
Photo is uploaded by pyramis on Flickr.
Edward Tufte已经写了七八本书,包括《Visual Explanations》,《 Envisioning Infor...
Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.
摘要塔形马蹄螺为雌雄异体,其雄性生殖系统主要由巢,有交接器,也有其他的附属腺体。
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