Question

Which example is an internal stimulus?

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


B. an artificial light that attracts insects


C. a sudden change of air temperature


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

I thinks it's either A or D

Answer 1

Do you know what an internal stimulus is?

Answer 2

@az

Answer 3

yes i do know what a internal stimulus is

Answer 4

well yeah i agree with you, its either A or D.

Answer 5

(This is the meaning) An internal stimulus is a stimulus that comes from inside an organism. You may have experienced an internal stimulus of hunger after a long day at school, and this prompts you to eat some food in order to regain needed energy. 3 An animal's response to stimuli is due to two different behaviors: learned and instinctual.

https://en.wikipedia.org/wiki/Stimulus_(physiology)

Answer 6

only one of the answer choices is something that is internal

Answer 7

Is it A?

Answer 8

I know only 1 answer

Answer 9

but im just having trouble which one it is a T^T

Answer 10

multiple choice question ?

Answer 11

no its not mulitple choice i can literally only choose ONE

Answer 12

look at each answer choice, which one is something that is internal

A. decrease in oxygen levels in blood
does that sound internal or external?

D. increasing water available to the plant
is the water something internal or external?

Answer 13

maybe this definition of internal stimulus might help:
"An example of internal stimuli is your vital signs changing due to a change in the body."

from
https://medlineplus.gov/ency/article/002309.htm#:~:text=An%20example%20of%20internal%20stimuli,Sights

Answer 14

So it is A lol

Answer 15

ok thanks for the help

Answer 16

No problem! (: