Each polyp has a cup-like consideration with a besiege of tent acles around a central hypothesis (pharynx) that functions as both mouth and anus. The tentacles are tipped with cutting cells called nematocysts. Corals use the nematocysts to keep themselves and to capture prey. The body wall consists of lead cell layers: the satellite or ectoderm, the middle or mesoderm, and the upcountry or endoderm. in that respect is no skeleton intimate t...If you want to get a full essay, order it on our website: OrderEssay.net
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