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12 Cards in this Set
- Front
- Back
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Theory
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Well-supported testable explanation of phenomena that have occurred in the natural world.
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Fossils
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well-preserved remains of ancient organisms.
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Artificial Selection
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Humans select breeding.
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Struggle for existence
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Regular competition for food, living space, and other necessities.
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Fitness
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Ability of individual to survive and reproduce.
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Adaptation
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Inherited characteristic that increases an organism's chance of survival.
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Survival of the Fittest
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Individuals that are better suited or their environment, survive and reproduce most successfully.
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Natural Selection
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Darwin refered to the survival of the fittest as this.
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Descent with modification.
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Each living species has descended, with changes, from other species over time.
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Common Descent
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All species were derived from common ancestors.
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Homologous Structures
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Structures that have different mature forms in different organisms but develop from the same embryionic tissues.
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Vestigal organs
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Useless organ.
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