Answer:
C.) All the racoons in the forest
Step-by-step explanation:
A population is a group of organisms of the same species living together in the same area.
A.) is incorrect because racoons, bears and deer are not of the same species.
B.) is incorrect for the same reason as above and water is not an organism.
C.) is correct because racoons living together in the same forest can be described as a population.
D.) is incorrect because more than one organism is needed to make a population.