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Classification of Vertebrata

Chondrichthye...

Question

Chondrichthyes can be differentiated from osteichthyes externally by

A

naked gills

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B

heterocercal tail

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C

ventral mouth

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D

all of these

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Solution

The correct option is D
all of these

Chondrichthyes can be differentiated from osteichthyes externally by naked gills, heterocercal tail and ventral mouth.

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