Question

Which is the name for a change in the environment that causes an organism to change its activity?

A.
brain

B.
parasite

C.
response

D.
stimulus

Answer 1

I think d?

Answer 2

yes, it's D

Answer 3

Hold on, lets get confirmation. @BraceFacee do you think its d????

Answer 4

Any detectable change in the environment is called a stimulus.
So yes I think it's D :)

Answer 5

thx, both. i gave a medal to BraceFacee and faned summerr

Answer 6

:)