Choose the animals which exhibits the following characteristics
(a) Marine habitat.
(b) Bilateral symmetry and cephalization .
( c) Hemocoel as principal body cavity .
(d) Eyes similar to that of vertebrates .

Which of the following groups of animals live only in marine habitat? (a) porifera (b) cnidaria (c) echinodermata (d) mollusca

Which of the following animals' body shows bilateral symmetry?

Which of the following animals' body shows bilateral symmetry ?

Which phyla have the following characteristics? (state only their names). (a) Body segmented and jointed legs, with compound eyes. (b) Body unicellular and microscopic. ( c) Body having calcareous shell and ventral foot. (d) Spiny skinned organisms.

In which of the following radial symmetry is not found? a. Hydra. b. Ascaris c. Sea anemone d. Jelly fish