19. If you discovered a large deposit (layer) of organic sedimentary rock mountain, what would this indicate to you about the mountain's past history?

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.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes