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Principals of Evolution

Horizontales
Darwin's proposed mechanism for evolution
Genetic drift that occurs after a small number of individuals colonize a new area
When closely related species evolve and become increasingly different
Isolation that occurs because of differences in mating behaviors
The process of one species becoming two or more separate species
A trait that allows an organism to better survive in its environment
A measure of your reproductive success.
Occurs when a physical barrier divides a population
Isolation that occurs when timing prevents reproduction between populations
Change in allele frequency due to chance; causes a loss of genetic diversity
When certain traits increase mating success
Permanent change in DNA
Verticales
Genetic drift that occurs after an event greatly reduces the size of a population
Wrote "Origin of Species"
The change in a populations genetic makeup through successive generations
When two or more species evolve in response to changes in each other
Left over organs or structures that had a function in an early ancestor
Speciation by geographic isolation
The movement of alleles from one population to another; mechanism for evolution