First slide

Classification of Animals

Question

Aves originated from reptiles. Which of the following is not an advancement of birds over reptiles?

Moderate

A

Homeothermy
B

Complete double circulation
C

Insulated body
D

Internal fertilisation

Solution

Internal fertilisation is exhibited by both reptiles and birds.
Reptiles are cold blooded (poikilothermy). They exhibit incomplete double circulation. They are without insulation.

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