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12 Cards in this Set
- Front
- Back
The evolution of an ancestral species into an array of species that occupy diverse habitats is called____________
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adaptive radiation
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Any structure that is reduced in function in a living organism but may have been used in an ancestor is known as a ____________
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vestigial structures
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The concept that evolution occurs over long periods of stability that are interrupted by geologically brief periods of change is known as _____________
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Punctuated equilibrium
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___________is a mechanism for change in a population in which organisms with favorable variations live, reproduce, and pass on their favorable traits.
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Natural selection
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any species with a multiple set of chromosomes is known as a _____________
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polyploid
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the type of selection that favors average individuals in a population
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stabilizing selection
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the alteration of allelic frequencies by chance processes is known as
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genetic drift
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The______________ is the percentage of a particular allele in a population
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Allele frequency
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the total number of genes present in a population is the
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gene pool
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A variety of structural adaptations called ____________ provides protection for an organism by copying the appearance of another species
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mimicry
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a structural adaptation enabling an organism to blend in with its environment is
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Camoflauge
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______________ is a technique in which the breeder selects particular traits
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Artificial selection
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