Chapter 2 Vocabulary

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Across
  1. 2. group of organisms of the same species
  2. 5. the thin layer of Earth and its atmosphere that supports life
  3. 6. a large group of ecosystems that share the same climate
  4. 7. the physical area in which an organism lives
  5. 9. an organism that decomposes dead organic materials in an ecosystem
  6. 13. Group of interacting populations
  7. 15. the total mass of living matter at each trophic level
  8. 16. a heterotroph that preys on other heterotrophs
Down
  1. 1. describes any living factor in an organism's environment
  2. 3. act of an organism feeding on another organism
  3. 4. role of an organism in its environment
  4. 8. a heterotroph that consumes only plants
  5. 10. biological community and all of the non-living factors within it
  6. 11. describes any non-living factor in an organism's environment
  7. 12. a chemical substance that an organism needs to perform life processes
  8. 14. anything that takes up space and has mass