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Question

Which among the following is a poikilotherm?

A
Whale
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B
Tortoise
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C
Fowl
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D
Echidna
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Solution

The correct option is B Tortoise
A cold blooded animal is called a poikilotherm. All amphibians and reptiles are cold blooded. Their body temperature is influenced by the temperature of the environment. Tortoise is a reptile and hence cold blooded. The rest (whale, Echidna and fowl) are all warm blooded, and hence, they are able to maintain their temperature constant.

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