Write short notes on the salient features of the anthozoans.

1.	Write short notes on the salient features of the anthozoans.
Answer» (1) Anthozoans are commonly referred to as sea anemones. (2) Anthozoa includes sea anemones, corals, sea pens. (3) All are marine forms. These are solitary or colonial. (4) They are sedentary and only polypoid inform. (5) Coelenteron is divided into several compartments by vertical septa called mesenteries. (6) Mesoglea contains connective tissue. (7) Cnidocytes occur both in the ectoderm and endoderm and is cellular as contains amoebocytes. (8) Germ cells are derived from the endoderm. Eg: Adamsia (sea anemone), Gorgonia(sea fan), Pennatual (sea pen).

Answer»

(1) Anthozoans are commonly referred to as sea anemones.

(2) Anthozoa includes sea anemones, corals, sea pens.

(3) All are marine forms. These are solitary or colonial.

(4) They are sedentary and only polypoid inform.

(5) Coelenteron is divided into several compartments by vertical septa called mesenteries.

(6) Mesoglea contains connective tissue.

(7) Cnidocytes occur both in the ectoderm and endoderm and is cellular as contains amoebocytes.

(8) Germ cells are derived from the endoderm.

Eg: Adamsia (sea anemone), Gorgonia(sea fan), Pennatual (sea pen).

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