How does artificial selection result in new traits being passed on to offspring? Nature chooses which characteristics get passed on
Humans only allow those organisms with the desired traits to reproduce
Competition between individuals results in certain traits being lost from the gene pool.

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.