Which of the following explains why natural selection acts on the phenotype of an organism instead of its genotype? . a. phenotypes can be inherited by offspring. b. phenotypes can directly influence the interaction of an organism with its environment. c. genotypes do not change except by the process of transcription. d. genotypes change in direct response to habitat changes.

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence