Ch. 18 Vocabulary Crossword

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Across
  1. 2. the part of the Earth that supports life
  2. 5. a series of overlapping food chains that exist in an ecosystem
  3. 8. the living or once-living organisms in the environment
  4. 9. made up of a biotic community and the abiotic factors that affect it
  5. 11. any biotic or abiotic factor that limits the number of individuals in a population
  6. 12. groups of populations that interact with each other in a given area
  7. 13. all the members of one species that live together
  8. 14. the role or job of an organism in the ecosystem
  9. 15. the NONliving parts of the environment
Down
  1. 1. a simple way of showing how energy, in the form of food, passes from one organism to another
  2. 3. the number of individuals in a population that occupy a definite area
  3. 4. the study of the interactions among organisms and their environment
  4. 6. the place where an organism lives
  5. 7. the processes of evaporation, condensation, and precipitation.
  6. 10. any close interaction between two or more different species