How does human evolution or natural selection relate to the susceptibility of disease?

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.

What field of science did harry hess study?

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp