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.