Question

what is the driving force of evolution among natural selection, genetic diversity, and environmental stress?

The answer is environmental stress but i am not sure exactly why....can someone explain?

Answer 1

Environmental stress is the driving force. Natural selection is the result.

Answer 2

but i am confused on what environmental stress is. Could you provide some examples of what that would be?

Answer 3

Drought, global warming, pollution, human activity nearby, introduction of new predators, destruction of habitiat