In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity. When a stimulus is applied to a sensory receptor, it normally elicits or influences a reflex via stimulus transduction.
1. i
2.a
3.d
4.b
5.e
6.c
7.g
8.f
I beleve the answer is rotting carcass.
The remaining answer choices are all inorganic.
Hope this helps.
