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Bio Vocabulary
Quiz #8
| Word | Def |
|---|---|
| Evolution | change in a kind of organism over time; process by which modern organisms have descended from ancient organisms |
| Theory | well-tested explanation that unifies a broad range of observations |
| Adaptation | inherited characteristic that increases an organism's chance of survival |
| Natural Selection | process by which individuals that are better suited to their environment survive and reproduce most successfully; survival of the fittest |
| Homologous Structure | structures that have different mature forms in different organisms but develop from the same embryonic tissues |
| Vestigial Organ | organ that serves no useful function in an organism |
| Gene Pool | combined genetic information of all the members of a particular population |
| Genetic Drift | random change in allele frequencies that occurs in small populations |
| Genetic Equilibrium | situation in which allele frequencies remain constant |
| Speciation | formation of new species |
| Endosymbiotic Theory | theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms |
| Coevolution | process by which two species evolve in response to changes in each other |
| Adaptive Radiation | process by which a single species or small group of species evolves into several different forms that live in different ways; rapid growth in the diversity of a group of organisms |
| Convergent Evolution | |
| Punctuated Equilibrium | (blank) |
Created by:
mt
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