Ddt was banned in the united states because it : did not kill harmful insects killed the plants it was sprayed on collects in animal tissue and poisons them was too expensive to produce

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.

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

What are some characteristics of a free enterprise economy?