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Question

Biology Question on human reproduction

Identify, the phylum which shows the following characteristics:
1. Animals are exclusively marine, radially symmetrical and diploblastic.
2. Body bears eight external rows of ciliated comb plates which help in locomotion.
3. Digestion is both extracellular and intracellular.
4. Reproduction only by sexual modes.

A

Coelenterate

B

Mollusca

C

Arthropoda

D

Ctenophora

Answer

Ctenophora

Explanation

Solution

The correct answer is Option (D) : Ctenophora