A(n) is the remains or evidence of a living thing.

If many different species live in an ecosystem, this the ecosystem to fill its a. populations b. niches c. producers d. communities

Which identifies the main purpose of biological taxonomy?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above