AP Biology: Chapter 22 Flashcards

Vocabulary words from the AP Edition of Campbell Biology, Chapter 22.

199580524	evolution	descent with modification	0
199580525	fossils	the remains or traces of organisms from the past	1
199580526	paleontology	the study of fossils	2
199580527	catastrophism	events in the past occurred suddenly and were caused by mechanisms different from those operating in the present	3
199580528	uniformitarianism	mechanisms of change are constant over time	4
199580529	adaptations	inherited characteristics of organisms that enhance their survival and reproduction in specific environments	5
199580530	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 said traits	6
199580531	artificial selection	human modification of other species over many generations by selecting and breeding individuals that possess desired traits	7
199580532	homology	similarity resulting from common ancestry	8
199580533	homologous structures	represent variations on a structural theme that was present in their common ancestor	9
199580534	vestigal structures	remnants of features that served important functions in the organism's ancestors	10
199580535	evolutionary tree	a diagram that reflects evolutionary relationships among groups of organisms	11
199580536	convergent evolution	the independent evolution of similar features in different lineages	12
199580537	analogous features	share similar function, but not common ancestry	13
199580538	homologous features	share common ancestry, but not necessarily similar function	14
199580539	biogeography	the geographic distribution of species	15
199580540	endemic	found nowhere else in the world	16