Hurry

describe the pathway of light from the point where it enters the eye to the point in which the light information travels to the brain. briefly describe the structure and function of each organ along the pathway.

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).

because photosynthesis could not occur (apex)