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Please help: Which is an example of an internal stimulus

A.a sudden change of air temperature

B. An artificial light that attracts insects

C. Less water or sugar in the body

User Brad Bird
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2 Answers

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Answer: it is C because it is part of a “animals” body as I would explain it.

User Vincenzo Lo Palo
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2 votes
C is the answer according to me
User Hdoghmen
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