Key Terms Crossword Puzzle

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Across
  1. 3. a large region characterized by a specific type of climate and certain types of plant and animals communities
  2. 6. describes the nonliving part of the environment, including water, rocks, light, and temperature
  3. 9. Web a diagram that shows the feeding relationships between organisms in an ecosystem
  4. 11. an organism that eats only plants
  5. 15. Pyramid a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain
  6. 16. an organism that kills and eats all or part of another organism
  7. 17. Zone the zone of a lake or pond below the open-water zone, were no light reaches
  8. 23. a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
  9. 24. biome in which the vegetation is mainly grasses, small flowering plants, and few trees
  10. 25. a relationship between two species in which both species benefit
  11. 26. the study of the interactions of organisms with one another and with their environment
  12. 27. biome that has very cold temperatures and little rainfall
Down
  1. 1. an organism that is killed and eaten by another organism
  2. 2. describes living factors in the environment
  3. 4. Zone the shallow zone of a lake or pond were light reaches the bottom and nurtures plants
  4. 5. an organism that eats animals
  5. 7. Zone the zone of a pond or lake that extends from the littoral zone and that is only as deep as light can reach
  6. 8. the part of Earth where life exists
  7. 10. an organism that eats both plants and animals
  8. 12. a region that has little or no plant life, long periods without rain, and extreme temperatures; usually found in hot climates
  9. 13. tiny producers that float near the surface of the ocean
  10. 14. Capacity the largest population that an environment can support at any given time
  11. 18. a community of organisms and their abiotic, or nonliving, environment
  12. 19. a group of individuals of the same species that live together
  13. 20. a relationship in which two different organisms live in close association with each other
  14. 21. a type of vegetation that includes broad-leaved evergreen shrubs and that is located in areas with hot, dry summers and mild, wet winters
  15. 22. all of the populations of species that live in the same habitat and interact with each other
  16. 26. an area where salt water from the ocean flows into the mouth of a stream or river