Mostly harmful I’m pretty sure
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).
hope this helped!!!
Answer:
no
Explanation:
metamorphic rocks are created by the physical or chemical alliteration by heat and pressure of an existing igneous or sedimentary material into a denser form.
there for heat and pressure make metamorphic rocks
Name the three types of barriers that can isolate populations.<span>
Answer: Behavioral isolation, geographic isolation, and temporal isolation</span>