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an inherited characteristic that improves an organisms ability to survive and reproduce in a particular environment.
Descent With Modification
the theory of Darwin that all of the species living on earth today descended from earlier species.
the process by which individuals with inherited characteristics well suited to the environment leave more offspring on average than do other individuals.
homologous structures that have a major function in one species but not in a related species
selective breeding of plants and animals to produce offspring with traits that humans value
consists of all the alleles [different forms of genes] in all the individuals of a population
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