Define the following terms:
$(i)$ Poikilothermous
$(ii)$ Homoiothermous

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(N/A) $(i)$ Poikilothermous: These are animals that do not maintain a constant body temperature and change their body temperature according to the surrounding environment. They are also known as cold-blooded animals.
$(ii)$ Homoiothermous: These are animals that maintain a constant body temperature regardless of the surrounding environment. They are also known as warm-blooded animals.

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