A phylum in which the digestion is intracellular as well as extracellular and polyp body form is seen includes organisms which:

Question

A phylum in which the digestion is intracellular as well as extracellular and polyp body form is seen includes organisms which: (A) Are triploblastic. (B) Show internal fertilization and indirect development. (C) Have special cells called choanocytes. (D) Have a central gastro-vascular cavity with a single opening.

Tardigrade Admin · Accepted Answer

Polyp and medusa body forms with extracellular as well as intracellular digestion are seen in phylum Cnidaria. Cnidarians are diploblastic which have special stinging cells called cnidocytes. They show external fertilization with indirect development. They have a central gastro-vascular cavity with a single opening (Blind Sac body plan).

Q. A phylum in which the digestion is intracellular as well as extracellular and polyp body form is seen includes organisms which:

Are triploblastic.

Show internal fertilization and indirect development.

Have special cells called choanocytes.

Have a central gastro-vascular cavity with a single opening.