Evolution

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Evolution

• Mr. Kidwell

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What is Evolution?

• A change in the gene pool of a population in
  response to various stimuli exhibited by a
  species over time.

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Charles Darwin

• 1809-1882
• English Naturalist
• At age 22 set sail on H.M.S. Beagle for South
  America-Galapagos Islands for five years
• Wrote the Origin of Species
• Three Major Findings
• Fossils
• Geographical Patterns
• Similarities among the Oceanic Islands

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Charles Darwins Voyage

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What leads to the change of organisms?

• Variation Among Species
• Some due to genetic changes called mutations

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What leads to the change of organisms?

• Limited Resources
• Food
• Shelter
• Territory
• Mates

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What leads to the change of organisms?

• Competition
• Fast
• Strong
• Smart
• Hide
• Bluff
• Make Noise

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What leads to the change of organisms?

• Reproductive Success
• Able to make offspring and pass their genes on to
  the next generation

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Natural Selection

• Theory that those individuals that possess
  superior physical, Behavioral or other attributes
  are more likely to survive than those that are
  not so well endowed.
• Survival of the Fittest