L14. Evidence of evolution 1

    Cards (19)

    • What does 'evolution' concern?
      Historical account of life and changes
    • What evidence supports the occurrence of evolution?
      • Comparative anatomy
      • Taxonomy
      • Geology and fossils
      • Biogeography
    • How did Archbishop James Ussher date the origin of the earth?
      4004 B.C. using the Bible
    • What was the belief about species 200-300 years ago?
      Species are permanent and do not change
    • What does the term 'fixity of species' refer to?
      Species are permanent natural kinds
    • What does the concept of 'design' imply in living things?

      Living things seem designed for a purpose
    • How old is the Earth according to radioactive isotopes?
      Approximately 4.5 billion years
    • What does adaptation refer to in evolution?
      Fit between organisms and their environment
    • What is the 'blind watchmaker' concept in evolution?
      Natural selection leads to adaptation
    • What is the significance of vestigial organs?
      They are reduced structures with no function
    • What do homologous structures indicate?
      Similar construction among different organisms
    • What are the three views of geology?
      • Gradualism: Small changes over time
      • Uniformitarianism: Same processes act in the past
      • Catastrophism: Catastrophic events cause extinction
    • What does the depth of the sedimentary column imply?
      The Earth is old
    • What was Lord Kelvin's argument about the age of the Earth?
      It is about 98 million years old
    • What did Kelvin not know about the Sun's energy source?
      It is nuclear fusion
    • What is the significance of whale evolution?
      Transition from terrestrial to aquatic life
    • What does biogeography study?
      • Distribution of organisms
      • Differences in species across areas
      • Similar environments yield different organisms
    • What is the significance of Darwin's observations on the H.M.S. Beagle?
      Distribution of organic beings in South America
    • What is the summary of key concepts in evolution?
      • Comparative anatomy: Similar construction
      • Taxonomy: Hierarchical life organization
      • Geology: Ancient Earth and fossil records
      • Biogeography: Different organisms in similar environments
    See similar decks