Animal Kingdom Question 334

Question: True coelom appeared first in the course of evolution in [NCERT 1984]

Options:

A) Aschelminthes

B) Chordata

C) Echinodermata

D) Annelida

Show Answer

Answer:

Correct Answer: D

Solution:

True coelom is lined by peritonium, which formed by splitting of mesoderm called schizocoelom and found in Arthropoda, Annelida and mollusca.

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