Animal Kingdom Question 398

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

Options:

A) Echinodermata

B) Annelida

C) Chordata

D) Aschelminthes

Show Answer

Answer:

Correct Answer: B

Solution:

In Annelida, true coelom appeared for the first time in the course of evolution.