Term
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Definition
| Origin of new species=focal pt. of evolution theory |
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Term
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Definition
| change in allele frequency in population |
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Term
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Definition
| broad patterns of evolutionary changes ABOVE the species level |
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Term
| Biological species Concept |
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Definition
| group with potential to interbreed in nature and have fertile BABIES |
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Term
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Definition
| Barriers that prevent 2 species from producing fertile babies |
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Term
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Definition
| Baby of 2 different species |
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Term
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Definition
| Block fertilization that stop diff. specices mate,prevent successful mating, hindered fertilization |
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Term
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Definition
| 2 species that rarely encounter each other |
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Term
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Definition
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Term
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Definition
| Breeding during different times of year,day,month ect. |
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Term
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Definition
| Morphological differences. ex. snails |
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Term
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Definition
| Sperm from 1 species UNABLE to fertilize other species |
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Term
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Definition
| Prevent hybrid zygote from developing properly |
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Term
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Definition
| Impaired hybrid development |
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Term
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Definition
| Vigorous hybrid=possibly sterile |
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Term
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Definition
| 1st generation is fertile but if mated with another species can result in feeble/sterile children |
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Term
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Definition
Population is divided geographically ISOLATED
-Common |
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Term
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Definition
Anything but geogrpahic barriers
-rare |
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Term
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Definition
extra set of chromosomes
common in plants |
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Term
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Definition
| Multiple sets of chromosomes from different species |
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Term
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Definition
| region where species mate and produce hybrids |
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