Jim and lisa both have insect collections. jim is grouping and comparing the properties of the insects. lisa is comparing and contrasting different insects.

which one is doing a science investigation?

a.
lisa only
b.
both jim and lisa
c.
jim only
d.
neither jim nor lisa

C. Jim only

This is because comparing contrasts and contradictions is an English term rather than a Scientific term.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms