Question

All of the following are common characters of Meandrina and Ctenoplana except



Presence of two germ layers in their developing embryos

Presence of cnidoblasts in their tentacles

Presence of radial symmetry

Both have extracellular and intracellular digestion​

Answer 1

Answer:

2)

presence of cnidoblasts in their tentacles.

Explanation:

because only in meadrian this character present not in ctenoplana