Which statement describes all living things?
a. they must reproduce sexually.
b. they are composed of one or more cells
c. they are capable of making their own food
d. they have organ systems to carry out the processes of life

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.

Types of scientific inquiry that biologist engage in that cannot be completely controlled

All phases of matter may have a fixed mass