Assertion: Cnidarians exhibit two basic body forms. The polyp is sessile and umbrella shaped and medusa is free-swimming and cylinderical form.
Reason: Cnidarians have a central gastro-vascular cavity with a single opening, hypostome on mouth.

Cnidarians exhibit two basic body forms called___and_____.

Cnidarians exhibits two basic body forms called polyp and medusa. The polyp represents

Coelenterata in which basic body form exhibit umbrella like appearance and are free swimming–

Fill up with the suitable words Cnidarians exhibit two basic body forms called _a__ and __b__. The former is ___c___ and___d___ form whereas , the latter is ___e__ and __f___.

Assertion :- Polyps produce medusae sexually and medusae form the polyps asexually. Reason :- Polyps and medusae are the common feature of different group of cnidarians.

Read the following statements: (a). Polyp is sessile and cylinderical form like Adamsia (b). Medusa is unbrella shaped and free-living like Aurelia (c). Polyp produce medusae sexually and medusae form the polyp asexually (e.g., Obelia). (d). Metagenesis is seen in jelly fish. Find out the incorrec statements.