Environmental Systems Crossword #1

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Across
  1. 3. Chain – A series of organisms showing energy flow.
  2. 5. – A symbiotic relationship where one benefits and the other is not affected.
  3. 10. – An organism that makes its own food, usually a plant.
  4. 11. – A large region with a specific climate and organisms.
  5. 13. – All living and nonliving parts of an environment together.
  6. 14. – Variety of life in an ecosystem.
  7. 16. – The role an organism plays in its ecosystem.
  8. 17. – An animal that is hunted by predators.
  9. 20. Cycle – Continuous movement of water on Earth.
  10. 23. Pyramid – Diagram showing energy loss through trophic levels.
  11. 24. – A symbiotic relationship where one benefits and the other is harmed.
  12. 26. – A symbiotic relationship where both species benefit.
  13. 28. – All the members of one species living in an area.
  14. 29. Web – Network of connected food chains in an ecosystem.
Down
  1. 1. Factor – Something that restricts the growth of a population.
  2. 2. – Organism that gets energy by eating other organisms.
  3. 4. – Study of how living things interact with each other and their environment.
  4. 5. Capacity – The largest population an environment can support.
  5. 6. – Process where plants use sunlight to make food.
  6. 7. – A close relationship between two different species.
  7. 8. – An animal that hunts other animals for food.
  8. 9. Respiration – Process that releases energy from food molecules.
  9. 12. – Water changing from liquid to vapor.
  10. 15. – The gradual change of ecosystems over time.
  11. 18. – Organism that breaks down dead matter and recycles nutrients.
  12. 19. – All the different populations living in one area.
  13. 21. Level – Position an organism has in a food chain.
  14. 22. Cycle – Movement of nitrogen through soil, plants, animals, and atmosphere.
  15. 25. – Place where an organism lives.
  16. 27. Cycle – Movement of carbon between organisms, air, water, and Earth.