I think the correct answers from the choices listed above are options B and C. The two main sources that lead to increased genetic variation would be Gamete mutations and recombination. <span>Gametes mutations leads to change in DNA information, recombination allows mixture of genotypes.</span>
The answer is D! living things are made up of units called cells.
Cell bio is important so that we can know more about cells and how they function
Atherosclerosis and the obvious danger of free floating cholesterol in the blood that can circulate and deposit anywhere, even in the arteries/veins while flowing which can also cause a blockage of arteries/veins and cause an embolism. Also fatty deposits in the cell's membrane that can make it more fluid than it should be causing the cell to lose its rigid membrane structure or even making it more rigid sometimes depending on the environment.