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Larva of Bonellia setting near the probo...

Larva of Bonellia setting near the probosics of adult female develops into male due to :

A

electrolytes in water

B

oxygen in enviroment

C

substance secreted by probosics

D

carbon dioxide in the environment

Text Solution

Verified by Experts

The correct Answer is:
C
According to F. Baltzer (1935) environment determines sex in a marine echiuroid Bonellia viridis .The proboscis produce a hormon-like substance that influences the development of male characters.
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