What happens to the population density when the area becomes smaller?

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic