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AP Biology: Chapter 22 Flashcards

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

Terms : Hide Images
199580524evolutiondescent with modification0
199580525fossilsthe remains or traces of organisms from the past1
199580526paleontologythe study of fossils2
199580527catastrophismevents in the past occurred suddenly and were caused by mechanisms different from those operating in the present3
199580528uniformitarianismmechanisms of change are constant over time4
199580529adaptationsinherited characteristics of organisms that enhance their survival and reproduction in specific environments5
199580530natural selectiona process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of said traits6
199580531artificial selectionhuman modification of other species over many generations by selecting and breeding individuals that possess desired traits7
199580532homologysimilarity resulting from common ancestry8
199580533homologous structuresrepresent variations on a structural theme that was present in their common ancestor9
199580534vestigal structuresremnants of features that served important functions in the organism's ancestors10
199580535evolutionary treea diagram that reflects evolutionary relationships among groups of organisms11
199580536convergent evolutionthe independent evolution of similar features in different lineages12
199580537analogous featuresshare similar function, but not common ancestry13
199580538homologous featuresshare common ancestry, but not necessarily similar function14
199580539biogeographythe geographic distribution of species15
199580540endemicfound nowhere else in the world16

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