Cnidaria

Cnidaria Cnidaria is a large phylum composed of almost of the most beautiful of all the salt and freshwater organisms: the queue up 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. beneficial about cnidarians are dipoblastic, which means that they are composed of still cardinal layers of cells. The outer layer is known as the exoderm or epidermis, and the inner layer is known as the entoderm or gastrodermis. These layers contain the nerve nets that control the muscular and arresting functions of the animal(prenominal).

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 hot absent. All cnidarians have a single opening into the body which acts as both the mouth and anus, taking in strong food and expelling waste. In most species the mouth is lie w...If you want to get a full essay, order it on our website: OrderEssay.net

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