science

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Across
  1. 2. multiple food chains
  2. 5. best place, climate, degree, etc. for a particular organism
  3. 7. an organism that can produce fertile offspring
  4. 10. non-living
  5. 12. creates energy from the sun
  6. 13. eats other consumers
  7. 15. where an organism fits in the food chain
  8. 18. eats dead organic matter
  9. 20. group of the same species
Down
  1. 1. living things
  2. 3. the process of respiration for a plant
  3. 4. breaks down decaying organic matter
  4. 6. oxidation of organic compounds
  5. 8. what plants use to respire
  6. 9. shows what organisms eat and what niche they occupy
  7. 11. the range of environmental conditions an organism can survive in
  8. 14. + for one - for the other
  9. 16. eats producers
  10. 17. all the interacting biotic factors in an ecosystem
  11. 19. study of ecosystems
  12. 21. organisms capable of self nourishment