Evolution of Evolution

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Evolution of Evolution
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Jean Baptiste Lamarck (1744-1829)
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Lamarck

• "inheritance of acquired characters"
• Use/Disuse
• Giraffes
• environment plays a role in shaping the species
  that live in it.

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Lamarck

• evolution progresses in a continuously upward
  direction
• dead matter to simple forms to human
  perfection."
• no extinctions one species changed into another
  species. Believed in spontaneous generation

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Charles Lyell (1797-1875)
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Lyell (1797-1875)

• Principles of Geology, (1830),
• Formation of the Earth
• Uniformitarianism
• forces molding the planet today have operated
  continuously throughout its history.
• "The present is the key to the past,"

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Malthus (1766-1834)
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Malthus

• Essay on the Principle of Population (1798)
• plants and animals produce far more offspring
  than can survive, and that Man too is capable of
  overproducing if left unchecked
• famine, disease, and war control growth in
  population (divine intervention)

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Wallace (1823 1913)
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Wallace

• (1858) On the tendency of varieties to depart
  indefinitely from the original type.
• Arrived independently at the same foundation of
  natural selection as the process that drives
  evolution
• Prompted Darwin to publish

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Charles Darwin (1809 - 1882)
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Darwin

• On the Origin of Species (1859).
• Theory of evolution and natural selection
• Common descent (Tree of life)
• Universal ancestor
• Evidence in the Galapogos Finches

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Comparative Anatomy
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Burgess Shale
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Burgess Shale
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