Diversity of Life

• Biodiversity

  • biological diversity of all living organisms
• Have identified 1.8 million spp

  • still have to discover 10-100 million total
  • just how diverse life is
• Taxonomy : describing, naming, and classifying organisms
• Three Classical Domains of Life

  1. bacteria
  2. archae
  3. eukarya
• Classify life through groups

  1. Domain
  2. kingdom
  3. phylum
  4. class
  5. order
  6. genus
  7. spp
• Unity of Life

  • seen in genetic code of life & structure of life (things that genetic code codes for)
• Summary of Darwinian Evolution

  • Evolution = descent with modification
  • NS = mechanism of evolution, creates diversity
  • emergence