A population is a group of .

a. individuals of several interacting species that live in one area
b. individuals of several interacting species that interact in multiple ecosystems
c. individuals of a single species that live and interact in one area all
d. individuals of a species in all locations cells that have similar function

c. individuals of a single species that live and interact in one area

Explanation:

When some organisms belonging to a single species live together in an area, they make a population. Since members of a population belong to the same species, they are able to interbreed among themselves to produce viable and fertile progeny. They have the same resource requirement and interact with each other. All the plants of Mangifera indica present in an area make a population. Likewise, a group of Panthera tigris living in a forest together makes the tiger population of that area.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.