[Campbell Biology P.1210] Which of the following is true of innate behaviors? | Practice Question

Which of the following is true of innate behaviors?

  • A: Their expression is only weakly influenced by genes.
  • B: They occur with or without environmental stimuli.
  • C: They are expressed in most individuals in a population.
  • D: They occur in invertebrates and some vertebrates but not mammals.

Explanation

Innate behaviors are those that are developmentally fixed and are expressed in nearly all individuals in a population, regardless of environmental differences during development. They are essentially 'programmed' behaviors.