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Natural Selection Ppt

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  • 1. Natural Selection Cristina Flagg LaDonna Guzman
  • 2. Was Darwin’s discovery a scientific fact, theory, or hypothesis ?
  • 3. Fact
    • Websters dictionary defines a fact as: something that has actual existence
    • space exploration is now a fact
  • 4. Fact
    • The Gray Whale has evolved, through natural selection, into what it is today
  • 5. Scientific Theory
    • As used in science, a scientific theory is an explanation or model based on observation and experimentation
  • 6. The Theory of Natural Selection the process in which favorable inherited traits become more common each generation
  • 7. Hypothesis
    • a suggested explanation for a phenomenon or a reasoned proposal suggesting a possible correlation between multiple phenomena (an educated guess)
  • 8. Darwin’s Hypothesis
    • “ Species originated by means of natural selection, or through the preservation of the favoured races in the struggle for life."

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