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Adv. Bio CH 22

TermDefinition
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.
Created by: Mr.Devine