Charles Darwin and The Galapagos Islands

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Charles Darwin

• The Galapagos Islands

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Charles Darwin

• Charles Darwin the famous naturalist sailed to
  the Galapagos Islands in the HMS Beagle in 1831.

• Thirty years later he published his Theory of
  Evolution, one of the most revolutionary ideas
  science has ever known.

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• On December 27, 1831, the HMS Beagle launched its
  voyage from U.K. with Darwin in tow.
• Darwin had the unique opportunity to closely
  observe principles of botany, geology and
  zoology.

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Research on tortoise at Galapagos

• Adaptation in the carapace as per habitat.

• Species living in habitat with food(grass) at low
  level had round carapace and short neck.
• Those living in area with food(grass) at height
  had long neck and backed carapace.

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• Research on Finches

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• Darwin discovered that Galapagos finches have
  thirteen different kinds of beaks.

• The size and shape of the finches beaks was due
  to their adaptation to a particular environmental
  niche.
• Stated two theories from the observations.

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The Theory of Evolution

•  A species is a population of organisms that
  interbreeds and has fertile offspring.
• Living organisms have descended with
  modifications from species that lived before
  them.

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Darwin and Natural Selection

• More organisms are produced than can survive
  because of limited resources.
• Organisms struggle for the necessities of life
  there is competition for resources.

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• Individuals within a population vary in their
  traits some of these traits are heritable.
• The advantageous trait is being carried to next
  generation.

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• More about Galapagos Island

• Ecuador Government established Charles Darwins
  Research Station at Galapagos.
• The place is famous for Darwins name and the
  Giant Tortoise and the natural beauty.

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• Thank you
• By Mickel Ross