Change in the genetic composition of a population over generations.
Doesn't change over time.
Was an economist who talked about the struggle for existence.
Catosophic events that leads to a species going extinct and another population moving into the area. He did not believe in evolution.
Lyell and Hutton
History of the Earth through geology. Where uniformimism.
Proposed the theory of evolution by a testable mechanism. Believed traits developed from use/disuse.
Chopped mice tails and there babies still had tails so there was a barrier between developed traits.
Adapting to the environment and separating traits from ancestor.
non-random survial, when the traits of the survivors are the ones passed down to future generation.