Cnidaria

Cnidaria Cnidaria is a large phylum composed of virtually of the most beautiful of all the salt and freshwater organisms: the ordinate jellyfish, box jellyfish, coral and sea anemones, and hydra. Although Cnidaria is an incredibly respective(a) group of physicals, there are several traits that link them together. dear about cnidarians are dipoblastic, which means that they are composed of and cardinal layers of cells. The outer layer is known as the ectoblast or epidermis, and the inner layer is known as the entoblast or gastrodermis. These layers contain the nerve nets that control the muscular and receptive functions of the tool.

amidst these layers is a jelly-like noncellular substance known as mesoglea, which in true jellyfish constitute the vast bulk of the animal (hence their common name). In other species, the mesoglea may be near(a) absent. All cnidarians have a single opening into the dust which acts as both the mouth and anus, taking in inviolable food and expelling waste. In most species the mouth is line w...If you want to get a full essay, order it on our website: OrderEssay.net

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