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Related Flashcards
Related Topics
Cards In This Set
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Evolution
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Change in a kind of organism over time.
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Theory
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Well-tested explanation that unifies a broad range of observations.
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Fossil
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Preserved remains or evidence of an ancient organism.
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Fitness
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Ability of an organism to survive and reproduce in its environment.
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Common descent
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Principle that all living things were derived from common ancestors.
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Adaption
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Inherited characteristic that increases an organism's chance of survival.
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Homologous structure
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Structures that have different mature forms in different organisms but develop from the same embryonic tissues.
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Artificial Selection
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Selection by humans for breeding of useful traits from the natural variation among different organisms.
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Struggle for Existence
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Competition among members of a species for food, living space, and the other necessities of life.
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Survival of the Fitness
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Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection.
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Natural Selection
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Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest.
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Descent with Modification
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Principle that each living species has descended, with changes, from other species over time.
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Common Descent
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Principle that all living things were derived from common ancestors.
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Vestigial Organ
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Organ that serves no useful function in an organism.
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