Ecological Interactions

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Across
  1. 1. the study of the responses and interactions of living things with their environment
  2. 2. a living thing
  3. 4. a close relationship between two organisms in which at least one of the organisms benefits
  4. 8. shows how the energy in food is passed from one organism to another in an ecosystem
  5. 10. the number of animals that can obtain food and shelter from the environment in a given area; the ability of an environment to support its animal population
  6. 13. an organism that feeds on plants or other animals
  7. 15. used to show the amount of food that is available to be eaten by another organism at the next level of a food chain
  8. 16. an organism that eats other consumers
  9. 18. the struggle between organisms for the limited resources in a habitat
  10. 19. an interaction in which both organisms benefit
  11. 20. an organism that each only producers
  12. 21. an interaction in which one organism benefits and the other organism is not affected
  13. 24. the area in which an animal or plant normally lives
  14. 25. an interaction in which one organism hunts and kills another animal for food
  15. 26. an interaction in which one organism benefits and the other organism is harmed
Down
  1. 1. all the living and nonliving things that interact in an area
  2. 3. living things in the environment, such as plants and animals
  3. 5. organisms in an ecosystem work together to survive
  4. 6. organisms of one species living in the same place at the same time
  5. 7. is an organism that eats a primary consumer as its food source
  6. 9. a factor in the ecosystem that keeps a population from growing too large
  7. 11. nonliving things in the environment, including soil, water, temperature, air, light, wind, and minerals
  8. 12. an organism that eats the remains of dead plants or animals
  9. 14. an organism’s particular role or how it fits into an ecosystem
  10. 17. a habitat where animals live on land
  11. 21. all the populations that live in an area at the same time
  12. 22. a characteristic that helps and organism survive in its environment and reproduce
  13. 23. the pattern of overlapping food chains in an ecosystem
  14. 27. a group of similar organisms whose members can mate with one another and produce fertile offspring