Genetic variation can aid in the survival of species when the environment changes. which of the following is the best example of an organism with a genetic variation that could improve survival chances over time?

a)
an ant that is resistant to pesticide .

b)
a cactus that has no spines.

c)
a mouse that has learned to avoid mousetraps.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.