Question

which phrase defines a community?
environment where nonliving things exist
group of the same species that live together
group of several populations living in an area
environment where living and nonliving things interact

Explanation:

A community in ecology refers to multiple distinct populations (different species) that coexist and interact within a specific geographic area. The first option describes an abiotic environment, the second is a population, and the fourth is an ecosystem.

Answer:

group of several populations living in an area