Alcoholic beverages a) dilate the blood vessels and b) increase the amount of water removed from the blood. how would factors a and b affect blood pressure? (2 points) factor a would increase blood pressure while factor b would decrease blood pressure, causing no net change. factor a would decrease blood pressure while factor b would increase blood pressure, causing no net change. both factors would increase blood pressure. both factors would decrease blood pressure.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

The fluid mosaic model of the membrane proposed that membranes

Select the star life cycle that is accurate