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What Are Homeotherms and Poikilotherms?

Cold-blooded ...

Question

Cold-blooded animals are those having

A

cold blood

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B

variable body temperature

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C

constant temperature

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D

blood which can flow even below 4ºC

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Solution

The correct option is B variable body temperature
Cold-blooded animals are also called poikilotherms. They cannot maintain constant body temperature and it varies according to changes in the external temperature. Eg: Fishes, amphibians and reptiles.

Warm-blooded animals or homeotherms, maintain constant body temperature, irrespective of the external temperature. Eg: Birds, mammals.

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What Are Homeotherms and Poikilotherms?

Standard XIII Biology

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