Question

Any change in the environment to which an organism responds is called
(a) stimulus
(b)coordination
(c)response
(d)hormone ​

Answer 1

Answer

(a) stimulus

The change in the environment results in the change in the the reaction of an organism. This is a complex pathway first there is a change in the the receptors which are present in the sense organs.

Answer 2

I think option
C is right answer