The crossing over is a process that is essential to human genetic diversity. During the crossing over parts of the homologous chromosomes ( two chromosomes identical by structure, but different in origin, one inherited from the mother and one from the father) randomly exchange parts of their sequences.
If the crossing-over didn't exist, this would greatly decrease the genetic diversity, because the chromosomes would always bee passed o the next generations unchanged.
The lowest one would have the least amount of energy
Answer:
potassium, sodium, calcium, sulfate, magnesium, and chloride
Mountain goat hooves are comprised of two split toes, also called cloven hoofs. They use it for balance and climbing; cloven hoofs can spread apart and the inner pads between serves as traction. In contrast to horse's hoof that has evolved into one solid toe.