Question

Avolution of a species acts on the

Answer 1

Evolution of a species acts on the population of the species

Answer 2

Evolution acts in:

Populations. One species can be scattered all around the world, but not because one population needs to change the other will have to as well.

Example:

Let´s tasy on species of ant lives in India and in the US, but only the US is having a drought problem, then, only the population in the US is obliged to change, which doesn´t affect the Indian population.

Hope it helped,

BioTeacher101