Animal Kingdom Question 763
Question: Echinoderms are headless, brainless and heartless. Yet they are placed at the top of invertebrates because of presence of [MP PMT 2000]
Options:
A) Enterocoel
B) Exclusive marine forms
C) High power of regeneration
D) Great power of reproduction
Show Answer
Answer:
Correct Answer: A
Solution:
Echinodermats are ture enterocoelic animals, which is formed from enter on of gastrula like chordata.