Ecology Vocabulary Worksheet

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Across
  1. 4. all the populations of different species living and interacting in an area
  2. 5. the sequence of who eats whom in an ecosystem
  3. 9. living things in an environment
  4. 12. the largest population an environment can support at any given time
  5. 16. a symbiotic relationship where both organisms benefit
  6. 17. organisms that eat primary producers
  7. 19. a symbiotic relationship where one organism benefits and the other is unaffected
  8. 20. where life exists
  9. 22. a network of food chains
  10. 24. organisms that eat secondary consumers
Down
  1. 1. nonliving things in the environment
  2. 2. a community of organisms and the abiotic things of the community
  3. 3. a group of individuals of the same species living together
  4. 6. a living thing
  5. 7. a symbiotic relationship where one organism benefits, but the other is harmed
  6. 8. an organism eating all or part of another organism
  7. 10. the position an organism holds in a food chain
  8. 11. a relationship in which two different organisms live in close association with each other
  9. 13. organisms that use sunlight or hot deep-sea vents directly to make food
  10. 14. an organism's home
  11. 15. organisms that eat primary consumers
  12. 18. a large group of ecosystems with similar rainfall, temperature, and altitude
  13. 21. the study of the relationships between living things and their environment
  14. 23. an organism killed and eaten by another organism