Animal Kingdom Question 334
True coelom appeared first in the course of evolution in Platyhelminthes [NCERT 1984]
Options:
A) Aschelminthes
B) Chordata
C) Echinodermata
D) Annelida
Show Answer
Answer:
Correct Answer: D
Solution:
True coelom is lined by peritoneum, which is formed by splitting of mesoderm called schizocoelom and is found in Arthropoda, Annelida and Mollusca.
BETA
