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Adv. Bio CH 22
Term | Definition |
---|---|
Evolution | Change in allelic frequency in a population over time. |
Adaptation | Inherited characteristic of an organism that enhances its survival and reproduction in a specific environment. |
Natural Selection | A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits. |
Artificial Selection | The selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits. |
Analogous | Having characteristics that are similar because of convergent evolution, not homology. |
Convergent Evolution | The evolution of similar features in independent evolutionary lineages. |
Evolutionary Tree | A branching diagram that reflects a hypothesis about evolutionary relationships among groups of organisms. |
Pangaea | The supercontinent that formed near the end of the Paleozoic era, when plate movements brought all the landmasses of Earth together. |
Homology | Similarity in characteristics resulting from a shared ancestry. |