Unit 8 vocab

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Across
  1. 2. naturally occurring community
  2. 3. - an organism that produces its own food
  3. 4. the natural environment in which organisms live
  4. 6. factors- living component of the ecosystem
  5. 7. region of the surface of Earth
  6. 9. an animal that feeds on other animals
  7. 14. eats plants and animals
  8. 15. chain- linear sequence, one organism eats the other
  9. 18. - organisms in some area interacting with each other
  10. 19. - breaks down dead matter
  11. 20. pyramid - flow of energy at different trophic levels
  12. 21. 2 species, both benefit
  13. 22. a community of living organisms
Down
  1. 1. - only eats plants
  2. 2. total mass of an organism
  3. 5. cannot produce its own food, consumes other organisms
  4. 8. one benefits, one hurts
  5. 10. feeds on dead organic material
  6. 11. web- connection of food chains
  7. 12. factors - non-living
  8. 13. an association between organisms, where one organism benefits other is not affected
  9. 16. the position an organism has in the environment
  10. 17. - the study of relationships between organisms and their environment