What type of organism converts nitrogen into a usable form for plants? a) bacteria b) earthworms c) fungus d) mold

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.

Which of the following is not a defining characteristic of plants?

Ecology can best be described as the study of what