Gene flow

a. evens out genetic differences between populations
b. increases genetic differences between populations
c. happens when random events change the genotype of a population
d. is the same as genetic drift

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Aplant may open end close its stomata to prevent excess water loss and maintain

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously