Male and female cockroaches can be disti...

Male and female cockroaches can be distinguished externally through

A

Anal syles in male

B

anal cerci in female

C

anal syle and antennae in females

D

both a and c

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The correct Answer is:

A

(a) The functional kidney of a frog tadpole is pronephros (head kidney) development from nephrostomes in the anterior region

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