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 variation
- Enviroment is selective force on individuals
Mitosis

Makes new cells
Meiosis

2 cells makes new individual
adaptation
- ability of individual to be successful relative to environment
- measured by reproductive output
- relative to environment
Evolution is a fact
- Facts can change
- Data
- Not 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

Author

Anonymous

24051

Card Set

USU 1350

Description

Evolution

Updated

2010-06-18T21:23:20Z

Show Answers