First slide

Classification of Animals

Question

Select the correct statement about sexual dimorphism.

Easy

A

Shark: Claspers are present in males but not females
B

Ascaris: Cloaca is present in females but not males
C

Cockroach: Anal cerci are present in males but not females
D

Frog: Vocal sacs are present in females but not in males

Solution

Claspers are the copulatory structures in male sharks. They are absent in females.
Vocal sacs are present in male frogs.
Anal cerci are present in both male and female cockroaches.
Cloaca is present in male Ascaris.

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