The flat, free-swimming, ciliated larva of a coelenterate.
浮浪幼体腔肠动物其扁平的，能自由浮游的，有纤毛的幼体。
A coelenterate, such AS a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.
水螅型珊瑚虫，水螅虫一种有柱状身体和通常被触角包围的口部开口的腔肠动物，比如水螅或珊瑚虫。
Coral rock: coral rock, coral is a kind of life in the sea posture is exquisite, colour elegant coelenterate, called polyps.
珊瑚石：珊瑚石，珊瑚是一种生活在海洋里体态玲珑，色彩高雅的腔肠动物，名曰珊瑚虫。
Chitosan is material from deacetylation of chitin, which from arthropod, coelenterate, annelids, protozoans, part of algae and fungi.
壳聚糖是来源于节肢、肠腔、环节、原生动物及海藻和真菌类的甲壳素类物质脱去乙酰基的产物。
This system found in some animals, and most of the coelenterate porous, they are Camp fixation living or planktonic life, from either side of the body to stimulate feelings or obtain food.
这种体制见于部分多孔动物和多数腔肠动物，它们营固着生活或浮游生活，能够从身体的任何一面感受刺激或取得食物。
Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.
而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。
Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.
而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。
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