How does variation in the environment affect natural selection?

It effects the way that certain traits in a species evolve in an area due to being better for dealing with the environment more effectively.

Explanation:

This is legit how nature works. Please rate 5 stars.

answer; //the above statement is (false);

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).