3454chapter6 - Zoology - not zoo-ology. I. Classification...

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Zoology -- not zoo-ology. .. I. Classification A. Domains Bacteria archaea eukarya B. Kingdoms (5?) Monera? Protista Plantae Fungi Animalia II. Scientific method A. observation B. hypothesis -- educated guess. .. C. experimentation D. conclusion, prediction E. other issues theories, laws, and hypotheses F. characteristics of science
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-- falsifiable, testable, conclusions are tentative, must be repeatable. III. Evolution A. scientific law B. Darwin -- did not invent evolution. -- came up with the best explanation of how evolution might occur. C. Natural selection - 4 necessary elements 1) variation 2) more individuals born than can survive 3) heredity 4) some traits may affect the ability of an organism to survive and reproduce D. Darwin's theories (Mayr 1985) 1) perpetual change -- considered a law 2) common descent 3) multiplication of species 4) gradualism 5) natural selection adaptation-- the characteristics of organisms mold themselves to fit the environment.
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evolution is not directional. .. nor is
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3454chapter6 - Zoology - not zoo-ology. I. Classification...

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