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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. an increase in the amount of water available to a plant
D. a decrease in oxygen levels in the blood during exercise

Respuesta :

saadhussain514

Example of Internal Stimulus - Option D

A decrease in oxygen levels in the blood during exercise is an example of an internal stimulus. It is happening within the organism itself, it will be internal stimulus. But a sudden change of air temperature is not occuring within the body of organism.

It is the change outside so it is external. An artificial light that attracts insects and an increase in the amount of water available to plant. Both are happenings which occur outside the body hence both are external stimulus. Only a decrease in oxygen levels in the blood during exercise happens inside the body so it is only internal stimulus.

okpalawalter8

We have that the n internal stimulus given as

a decrease in oxygen levels in the blood during exercise, is an internal stimulus

Option D

Internal stimulus

Generally an internal stimulus see its stimulants com,e from within and this is is why our preferred  option will be an internal caused option .

Hence,a sudden change of air temperature, an artificial light that attracts insects, an increase in the amount of water available to a plant are all stimulant from outside or externals.

Therefore,  a decrease in oxygen levels in the blood during exercise, is an internal stimulus

Option D

For more information on Exercise visit

https://brainly.com/question/12555695

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