How can biodiversity affect the increase and decline of the elephant population

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.

What must be true for natural selection to heppen

What is the next step in muscle contraction after the actin changes shape? (apex)