1. The Scope of Category
   1. Biology all around us
   2. The scope of life
      1. The properties of life
         1. Order
         2. Regulation
         3. Growth and development
         4. Energy utilization
         5. Response to the environment
         6. Reproduction
         7. Evolution
      2. Life at Its many levels
      3. Ecosystems
         1. Cycling of nutrients
         2. Flow of energy
      4. Cells and their DNA
         1. Prokaryotic
         2. Eukaryotic
      5. Life in its diverse forms
      6. Grouping species
      7. The three domains of life
         1. Domain bacteria
         2. Domain archaea
         3. Domain eukarya
            1. Kingdom plantae
            2. Kingdom fungi
            3. Kingdom animalia
            4. Protists
      8. Unity in the diversity of life
2. Evolution
   1. Biological integrality
   2. The Darwinian view of life
      1. Descent with modification
      2. Natural selection
   3. Darwin's inescapable conclusion
      1. Overproduction and competition
      2. Individual variation
      3. Unequal reproductive success
      4. Natural selection is the mechanism of evolution.
   4. Observing artificial selection
   5. Observing natural selection
3. The Process ofF Science
   1. Discovery science
   2. Hypothesis-Driven science
   3. Theories in science
   4. The Culture of science
   5. Science, Technology, and Society
   6. Two main scientific approaches