Pls help answer the questions if you do not know all the question answer the ones you know

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 do transitional fossils best support?

What kinds of molecules can pass through the cell membrane without any problem?