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University of California, Berkeley
行业: Education
Number of terms: 4017
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Insieme di organi che hanno relativi ruoli nel funzionamento dell'organismo. Il sistema nervoso, sistema vascolare e sistema muscolare sono tutti i sistemi dell'organo.
Industry:Biology
椎列或骨干,在脊椎动物中找到的一个组件。
Industry:Biology
Extensions of the water-vascular system of echinoderms, protruding from the body and often ending in suckers. May be used for locomotion and/or for maintaining a tight grip on prey or on the bottom.
Industry:Biology
任何小的圆角腰椎间盘突出。在 pycnogonids 和 cheliceramorph 节肢动物,中央眼睛被进行的结节。
Industry:Biology
内部管通过的空气采取为呼吸作用。脊椎动物有肺有一个单一的气管携带到肺里的空气,而昆虫和一些其他的土地生活节肢动物有气管携带空气从刚毛到身体的所有部位的复杂网络。
Industry:Biology
Appendages which are flexible, because they have no rigid skeleton. Cnidarians and molluscs are two kinds of orgnaisms which may have tentacles.
Industry:Biology
The last segment of the abdomen in many arthropods. May be flat and paddlelike, buttonlike, or long and spiny, as in the horseshoe crabs.
Industry:Biology
Central body cavity of sponges. More Info?
Industry:Biology
在昆虫和一些其他陆生节肢动物,将空气通过一个小开口进入了气管。昆虫有几个气门,沿着腹部两侧排列。
Industry:Biology
结晶或矿物的存款在海绵、 海参或 urochordates 中找到。他们中很多海绵的结构组件,可能会为一个防护作用服务的其他生物。
Industry:Biology
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