Question

Give the main features of coelenterates.

July 20, 2024

Answer

(i) Diploblastic animals with tissue level organisation in the body.

(ii) The body is radially symmetrical.

(iii) The body bears tentacles supplied with special stinging cells called cnidoblasts.

(iv) There is a cavity in the body.

(v) Body is made of two layers of cells.

(vi) Simple gonads without gonoducts are present.

(vii) Reproduction is usually asexual (budding) in polyp form and sexual in medusae form.

(viii) They show polymorphism.

Examples: Hydra, Obelia and jelly fish.

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