5.1 Evidence for Evolution

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  • 5.1 Evidence for Evolution
    • Essential Idea
      • much evidence for the evolution of life on earth
    • Evolution
      • cumulative, gradual change in the genetic characteristic of  successive generations of a species of an organism
    • Evidence for theory of evolution
      • Fossil record
      • Artificial selection
      • bones of the vertebrate limb
      • Adaptive radiation
    • Evolution of homologous structure by adaptive radiation
      • Analogous structure
        • Structure may look similar but different evolution origins
      • Homologous structure
        • Structure may look different and perform different structure, but have same evolution origins
    • Divergence into separate species
      • If 2 populations of  species become separated, they can't interbreed, therefore may evolve in different directions


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