I need the right order for mitosis and cytokines

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.

Explain why phospholipid molecules form a bilayer. (3 marks)

If a checkpoint detects damaged dna, the checkpoint may