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babunello [35]
3 years ago
8

Need help! 40 points!

Biology
1 answer:
balandron [24]3 years ago
3 0

Answer:

Row 3 should be it.

Explanation:

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By panting or breathing heavily.

Explanation:

<em>An ectothermic animal is one whose body temperature depends on the temperature of the external environment.</em>

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<h2>Urea </h2>

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Urea is a small nitrogenous compound which is the main end product of protein catabolism in mammals

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