Lecture #20 Ecology and Succession P 433-442

1. Ecology
   1. definitions- the study of the interaction among plants and animals and their environment.
   2. Population
   3. Community
   4. Ecosystem
      1. biotic factors
      2. abiotic factors
   5. Biosphere
   6. Ecosphere
2. Plant Succession
   1. Ecosystem changes in a predictable way over time.
   2. Primary succession-on land
      1. Pioneer species
      2. mosses
      3. grasses
      4. ferns
      5. shrubs
      6. trees
   3. Succession in a body of water
   4. Secondary succession
      1. follows a disturbance
3. Importance of succession to us.
   1. Bottino’s front yard
   2. Tropical rain forest