What polymer makes up genetic material and two examples?

What does it mean for a cell membrane to be selectively permable

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.

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical