the definition of a population is.....\n\nall the species in an area\n\na single individual\n\nall the…

Brief Explanations:

In ecology, a population is defined as a group of individuals of the same species that live in the same geographic area at the same time and are capable of interbreeding. "All the species in an area" refers to a community, while "a single individual" refers to an organism. Therefore, the correct definition focuses on the collective members of a specific species within a defined location.

Answer:

all the members of one species in one area