biology vocab

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Across
  1. 2. one parent produces copy of itself
  2. 4. chemical reactions to build or break down materials
  3. 10. CHON
  4. 11. acids CHONP
  5. 13. one species benefits and one is harmed
  6. 14. oxygen is not needed
  7. 17. more than one cell
  8. 19. complex and has nucleus
  9. 21. unicellular organism
  10. 22. maintaining internal environment
  11. 26. bacteria and no nucleus
  12. 27. science of classification
  13. 28. use mRNA to find corresponding animo acid
  14. 29. take energy from other living things
  15. 30. takes place in ribosome and proteins are made
Down
  1. 1. relationship where both species benefit
  2. 3. nourished body in order to live
  3. 5. living thing
  4. 6. chemical or physical change in environment
  5. 7. gradual change in species over time
  6. 8. one cell
  7. 9. factor that always stays the same
  8. 12. could be independent or dependent
  9. 15. biological catalyst
  10. 16. site of protein synthesis
  11. 18. DNA to mRNA
  12. 20. oxygen is needed
  13. 23. air bubble that surrounds earth
  14. 24. gets collected and analyzed
  15. 25. how plants make their own food