Ecology Crossword Puzzle

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Across
  1. 2. a triangular diagram that shows an ecosystem's loss of energy which results as energy passes through the ecosystem's food chain
  2. 4. an organism that is killed and eaten by another organism
  3. 7. a relationship between two species in which on species, the parasite, benefits from the other species, the host, which is harmed
  4. 9. a group of organisms of the same species that live in a specific area
  5. 11. the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
  6. 12. an organism that eats all or part of another organism
  7. 14. a relationship in which two different organisms live in close association with each other
  8. 16. the nonliving factors in the environment
  9. 17. an organism that eats plants and animals
  10. 18. a relationship between two organisms in which one organism benefits and the other is unaffected
  11. 19. all the populations of different species that live in a specific area
  12. 20. a community of organisms and their abiotic environment
Down
  1. 1. the largest population that an environment can support at any given time
  2. 3. an organism that eats only plants
  3. 5. the part of the Earth where live exists
  4. 6. an organism that eats only animals
  5. 8. a relationship between two species in which both species benefit
  6. 10. a diagram that shows the feeding relationships between organisms in an ecosystem
  7. 13. the study of interactions of living organisms with one another and their environment
  8. 15. the living factors in the environment