Human and Eco Systems

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Across
  1. 5. interactions
  2. 7. flap
  3. 9. how much air
  4. 10. consumer
  5. 13. freshwater
  6. 14. plants
  7. 15. photosynthesis
Down
  1. 1. tundra
  2. 2. throat
  3. 3. same
  4. 4. cactus
  5. 6. slimey
  6. 8. smallestvein
  7. 11. role
  8. 12. tick