Natural Selection Ppt

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Natural Selection Ppt

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

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