'Homologous structures structures' diaporamas de présentation

Chapters 22-25 Evolution

Chapters 22-25 Evolution. Evolution. The definition of Evolution is: change over time Biological Evolution is: genetic change in population over time process by which modern organisms have descended from ancient organisms (slow change over long time)

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Evolution

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Chapters 22-25 Evolution

Chapters 22-25 Evolution. Evolution. The definition of Evolution is: change over time Biological Evolution is: genetic change in population over time process by which modern organisms have descended from ancient organisms (slow change over long time)

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NATURAL SELECTION AND THE EVIDENCE FOR EVOLUTION

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Evidence of EVOLUTION

Evidence of EVOLUTION. Evidence Supporting Evolutionary Theory. Fossil Record Biogeography Homologies Anatomical- Homologous structures Anatomical- Vestigial structures Molecular- DNA Similarities in the genetic code Developmental- Embryology. Fossils.

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Evidence for Evolution

Evidence for Evolution. Fossil record Comparative Anatomy ? Similarities in body structures Comparative Embryology ?Similarities in early development Comparative Molecular Biology ?Similarities in DNA Biogeography ?Geographic distribution of living species. Fossil Record.

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Evolution

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EVIDENCE OF EVOLUTION

EVIDENCE OF EVOLUTION. SB5c. Explain how fossil and biochemical evidence support the theory. What is Evolution?. Change in the genetic composition of a population over time . http://www.pbs.org/wgbh/evolution/educators/teachstuds/unit3.html.

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