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chapter 16 section 3
formation of species
Term | Definition |
---|---|
speciation | the formation of new species as a result of evolution |
morphology | the study of the structure and form of an organism |
biological species concept | the concept that a species is a population of organisms that can interbreed but cannot breed with other populations |
geographic isolation | the physical separation of populations due to geographic barriers that prevent interbreeding |
allopatric speciation | X |
prezygotic isolation | X |
postzygotic speciation | X |
sympatric speciation | X |
gradualism | a model of evolution in which gradual change over a long period of time leads to biological diversity |
punctuated equilibrium | X |