First slide

Classification of Animals

Question

Consider following features:
(a) Internal fertilisation
(b) A pair of jaws
(c) Mostly viviparous
Select the correct option of animal groups which possess all the above characteristics.

Easy

A

Chondrichthyes and Osteichthyes
B

Reptilia and Mammalia
C

Amphibia and Mammalia
D

Chondrichthyes and Mammalia

Solution

Chondrichthyes (bony fishes) and Mammalia are with jaws (Gnathostomata). They exhibit internal fertilisation and are viviparous.
Osteichthyes (bony fishes), amphibians and reptiles are oviparous.

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