When all type of the populaton lived together in the similar area so we called them as the community.
What is community?
The population means the group of individual that are interbreeded with respect to the same species that should be isolated from the other group
while on the other hand, the community means the group or two or more various species that have the similar kind of geographical area.
Therefore, the option A is correct.
Learn more about population here: https://brainly.com/question/12039482
