Biology 1A    Sept 22, 1998
Lecture 7 - Evolution

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Reading Assignment:

Overview of Lecture:

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Lecture Outline:

I. The diversity of life is the result of evolution. II. Evolution is descent with modification through time. III. Charles Darwin proposed natural selection as the mechanism of evolution. IV. Evolution since Darwin.


adaptation geologic time oceanic island
Archaeopteryx gradualism preadaptation
artificial selection Great Chain of Being prodigality of nature
biogeography hypothesis punctuated equilibrium
creationism industrial melanism selection
descendant living fossil species
diversity macroevolution survival of the fittest
evolution mass extinction theory
extinction microevolution transitional fossil
fossil mutation variation

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© 1998 Brian R. Speer & Nan Crystal Arens.. These pages for the personal use of students and teachers; any commercial use or publication is strictly prohibited.