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Ch.16 vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
speciation   the formation of new species as a result of evolution  
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morphology   the study of the structure and form of an organism  
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biological species concept   the concept that a species is a population of organisms that can interbreed but cannot breed with other populations  
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geographic isolation   the physical separation of populations due to geographic barriers that prevent interbreeding  
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allopatric speciation   happens when species arise as a result of geographic isolation  
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reproductive isolation   the inability of members of a population to successfully interbreed with members of another population of the same or a related species  
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prezygotic isolation   occurs before fertilization  
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postzygotic isolation   occurs after fertilization  
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sympatric speciation   occurs when two subpopulations become reproductively isolated within the same geographic area  
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gradualism   a model of evolution in which gradual change over a long period of time leads to biological diversity  
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punctuated equilibrium   a model of evolution in which short periods of drastic change in species, including mass extinctions and rapid speciation, are separated by long periods of little or no change  
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Created by: SchmidtE20
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