USU 1350

Evolution

Change in gene frequency of a population over time in response to the enviroment

genotype

genetic makeup

phenotype

physical expression of genotype

Natural Selection

Populations have genetic variationEnviroment is selective force on individuals

Mitosis

Makes new cells

Meiosis

2 cells makes new individual

adaptation

ability of individual to be successful relative to environmentmeasured by reproductive outputrelative to environment

Evolution is a fact

Facts can changeDataNot absolute certainty

Evolution is a theory

Structures of ideas that explain and interpret facts

Evolution is

heritable change (not individual and over generations)not directed at a goal of better organisms

Speciation

changing of certain species into other species over time