Ch. 4 Vocabulary

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Across
  1. 5. Factor A non-living part of an ecosystem that shapes its environment.
  2. 8. A biological community of interacting organisms and their physical environment.
  3. 11. - An individual animal, plant, or single-celled life form.
  4. 12. selection - The identification by humans of desirable traits in plants and animals.
Down
  1. 1. - The act or process of changing to better suit.
  2. 2. - The natural home or environment of an animal, plant, or other organism.
  3. 3. - The change in the characteristics of a species over several generations.
  4. 4. - A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
  5. 6. selection - The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
  6. 7. - A group of people living in the same place or having a particular characteristic in common.
  7. 9. Factor A living organism that shapes its environment.
  8. 10. - The number of people in a single area.