Fill in the blank.
are comprised of which are groups of interbreeding individuals of the same species.
A)Communities, populations
B) Populations, herds
C) Communities, families
D) Families, populations

D)

Explanation:

I think so, not really sure though, hope it helps :/

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.