Animal Kingdom Question 960

Question: Canal system is a characteristic of [BHU 1982, 85, 2000, 02; CPMT 1996; CBSE PMT 1999, RPMT 1999]

Options:

A) Hydra

B) Sponge

C) Sea anemone

D) Sea urchin

Show Answer

Answer:

Correct Answer: B

Solution:

Sponges have a canal system and they need a continuous current of water flowing through their bodies for respiration, excretion, nutrition and reproduction.

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