Convergent Evolution, The evolution toward similar characteristics in unrelated species, Divergent Evolution, Closely related species evolve in different directions and become increasingly different., Coevolution, When 2 or more species evolve in response to changes in each other., Adaptive Radiation, Diversification of 1 ancestral Species into many descendent species., Gradualism, The concept that species evolve very slowly over long periods of time., Punctuated Equilibrium, Bursts of evolutionary activity followed by long periods of stability., Common Ancestor, The origin of related species., Adaptation, A change allowing for better survival rates and reproduction., Evolution, Change in a population over time., Natural selection, nature chooses traits be suited for survival, Population, a group of one type of species in an area., Phenotype, observable, physical characteristics., Genotype, Combination of alleles (DNA), Genetic Variation, different genes among organisms in a population., Variation, genotypic and phenotypic differences among organisms of the same species. Beneficial phenotypes will be selected in natural selection, Heritability, the relationship between phenotypes and their genetic contribution. Traits that can be developed in a population, rather than just an individual, contribute to evolution., Gene Flow, is the random transfer of alleles from one population to another, gene migration., Genetic Drift, is the change of allele frequency within one population. It is a random event, decreasing the population size and affecting the gene pool., Behavioral Isolation, Reproduction does not occur between similar species due to differences in mating behavior., Temporal Isolation, Reproduction does not occur between similar species because they mate at different times., Geographic Isolation, Populations are separated by water or land and evolve differently, increasing biodiversity.

Patterns of Evolution

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