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CGHS o&eU#1evolution

CGHS Evolution

QuestionAnswer
produce food autotroph
obtain food other sources heterotroph
homologus structures are evidence of evolution comparative anatomy
variation which is inherited form parent then organism can overpopulate creating reproductive advantage natural selection
preserved evidence of an organism fossil
model showing major abiotic and biotic events in Earth's history geologic time scale
explains that eukaryotic cells may have evolved from prokaryotic cells endosymbiont theory
theory of natural selection C. Darwin
when an extreme version of a trait makes an organism more fit directional selection
when the average verison of a trait makes an organism more fit stabilizing selection
when average verison of a trait is not fit and extreme version is fit disruptive selection
speciation proceeds in small steps gradualism
speciation proceeds as result of rapid spurts of genetic change which causes species to change quickly punctuated equilibrium
wings of birds and insects - same function but different construction, not common ancestor analogus structures
similar structure inherited from common ancestor homologous structure
Created by: jacquelinestory
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