Mammals, in contrast to reptiles, a. are homodont b. are ectothermic c. have larger brains d. lack fur e. cannot process a wide variety of foods

This is a type pf behavior that animals are born with and them to survive

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems