Key Terms Crossword Puzzle

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Across
  1. 3. A treeless plain found in the Arctic, in the Antarctic, or on the tops of the mountains that is characterized by very low winter temperatures and short, cool summers
  2. 4. A region that has little or no plant life, long periods without rain, and extreme temperatures; usually found in hot climates
  3. 6. capacity The largest population that an environment can support at any given time
  4. 7. describes a living factors in the environment
  5. 8. A type of vegetation that includes broad-leaved evergreen shrubs and that is located in areas with hot, dry summers and mild, wet winters
  6. 9. a group of organisms of the same species that live in a specific geographical area.
  7. 10. - The microscopic, photosynthetic organisms that float near the surface of marine or freshwater
  8. 15. A relationship in which two different organisms live in close association with each other
  9. 19. is the study of the interactions of living organisms with one another and with their environment
  10. 20. - a community of organisms and their abiotic, or nonliving, environment.
  11. 21. An organism that is killed and eaten by another organism
  12. 22. A relationship between two species in which both species benefit
  13. 23. An organism that eats animals
Down
  1. 1. An organism that kills and eats all or part of another organism
  2. 2. Chain The pathway of energy transfer through various stages as a result of the feeding patterns of series of organisms
  3. 5. Describes the nonliving part of the environment, including water, rocks, light, and temperature
  4. 6. A relationship between two organisms in which one organism benefits and the other is unaffected
  5. 10. A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
  6. 11. An organism that eats both plants and animals
  7. 12. all of the populations of species that live in the same habitat and interact with each other
  8. 13. the part of Earth where life exists
  9. 14. Pyramid A triangle diagram that shows an ecosystem’s loss of energy passes through the ecosystem’s food chain
  10. 16. A region that is dominated by grasses, that few woody shrubs and trees, that has fertile soils, and that receives moderate amounts of seasonal rainfall
  11. 17. a large region characterized by a specific type of climate and certain types of plant and animal communities
  12. 18. An organism that’s eats only plants