Ecology crossword

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Across
  1. 1. the study of interactions among living things and their surroundings
  2. 4. organisms that get their energy from eating other living or once-living resources
  3. 5. a sequence that links species by their feeding relationships
  4. 7. a consumer that primarily eats one specific organism or fees on a very small number of organisms
  5. 11. the levels of nourishment in a food chain
  6. 13. detritivores that break down organic matter into simpler compounds
  7. 14. organisms that eat only plants
  8. 16. a model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem
  9. 18. another name for consumers
  10. 19. consumers that have a varying diet
  11. 22. a species that has an unusually large effect on its ecosystem
Down
  1. 2. organisms that eat both plants and animals
  2. 3. organisms that get their energy from nonliving resources, making their own food
  3. 4. a group of different species that live together in one area
  4. 6. organisms that eat dead organic matter
  5. 8. all of the organisms as well as the climate, soil, water, rocks, and other nonliving things in a given area
  6. 9. the process by which an organism forms carbohydrates using chemicals, rather than light, as an energy source
  7. 10. another name for producers
  8. 12. organisms that eat only animals
  9. 15. a major regional or global community of organisms
  10. 17. factors that are living things, such as plants, animals, fungi, and bacteria
  11. 20. a measure of the total dry mass of organisms in a given area
  12. 21. factors that are nonliving things such as moisture, temperature, wind, sunlight, and soil