Question

16. Brachiolaria larva is the example of class :
(1) Crinoidae
(2) Asteroidae
(3) Echinoidae
(4) Holothrundae
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Answer 1

Option 3rd............

Answer 2

Answer:

Explanation:

The correct answer to this question is the option “3,” and it is “Echinoidea.”  

This is an example of Brachiolaria larva. They are the second phase of the larval stage and are commonly found in starfish. They are bilaterally symmetric. It gradually develops and metamorphoses to an adult form.

Before that, it undergoes many changes like growing shorter arms with sticky cells and suckers.