Answer:
erosion
Explanation:
rain moving soil is the earths crust slipping, also known as erosion
I believe alleles for the same trait are separated from each other during the process of meiosis.
Chromosomes. Hope this helps.
Answer:
Explanation:
Natural selection only acts on the population's heritable traits: selecting for beneficial alleles and thus increasing their frequency in the population, while selecting against deleterious alleles and thereby decreasing their frequency—a process known as adaptive evolution.