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The given diagram depicts fertilisation ...

The given diagram depicts fertilisation and development of which of the following types ?

A

Internal fertilisation

B

Presence of a completely 4-chambered heart

C

Homoiothermy

D

Presence of a muscular diaphram

Text Solution

Verified by Experts

The correct Answer is:
D
Presence of a muscular diaphragm is an exclusive character of class Mammalia. Diaphragm is a complete muscular partition that separates the thoracic cavity from the adbominal cavity. It increases the efficiency of breathing.
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