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an inherited characteristic that improves and organism's ability to survive and reproduce in a particular evronment
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 has resulted in many different types of domestic plants and animals, in a relatively short time
populations that do not undergo change to their gene pools are not presently evolving
changes in the gene pool caused by a rapid reduction in population size. Reduces genetic variability
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