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Biology

Answered

Which is an example of an internal stimulus?

A.
a sudden change of air temperature

B.
an artificial light that attracts insects

C.
an increase in the amount of water available to a plant

D.
a decrease in oxygen levels in the blood during exercise

Answer :

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Today at 2:47 PM

D thats the only answer that is internal

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Today at 2:47 PM

Answer:

D. A decrease in oxygen levels in the blood during exercise.

Explanation:

Trus me

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