Can someone help on this science question please.

How does natural selection change thephenotypes within a population over time?

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only