Biology unit 6

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Across
  1. 5. changing color to adapt
  2. 7. attachments of plant specimen
  3. 8. usable form of nitrogen in plants
  4. 11. found in animal dung
  5. 12. constant body function
  6. 15. plants library
  7. 16. fleshy stem
  8. 19. interaction of organism with Environment
  9. 20. group of same species
  10. 21. primary source of energy
Down
  1. 1. can make food
  2. 2. place where an organism lives
  3. 3. found in cigar
  4. 4. surrounding of organism
  5. 6. sheep of desert
  6. 9. non living component
  7. 10. found in organic molecules
  8. 13. prevent ultraviolet rays
  9. 14. 3rd step of N2 cycle
  10. 17. feed dead organisms
  11. 18. position in food chain