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Elementary Science Education

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      Bernard Nebel
      Keymaster

      Speciation, the divergence of one species into two or more species–an example depicted by animation
      http://www.hhmi.org/biointeractive/anole-lizards-example-speciation

      Speciation–examples.
      Type into your browser: images for examples of speciation

      Gray and Arctic fox–contrast
      http://www.foxesandfriends.com/grayarcticfox.htm

      Flounder (flat fish)–evidence for gradual change from “upright” body plan

      Homologous structures
      Type into your browser: images for homologous structures

      Comparative embryology
      Type into your browser: images for comparative embryology

      Snakes–how they move, video

      Vestigial organs–examples
      Type into your browser: images for vestigial legs in snakes, whales, and manatees

      Galapagos Island tortoises
      Type into your browser: Galapagos Island tortoises

      Species–problem of, “What is a species?”

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