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Adaptation A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
Species A group of organisms that are closely related and can mate to produce fertile offspring.
Evolution The process in which inherited characteristics within a population change over generations such that new species sometimes arise.
Fossil The remains or physical evidence of an organism preserved by geological processes.
Fossil Record A historical sequence of life indicated by fossils found in layers of the earth's crust.
Trait A genetically determined characteristic.
Selective Breeding The human practice of breeding animals or plants that have certain desired characteristics.
Natural Selection The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution.
Created by: larsonsamuel