Biology Review

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Across
  1. 2. Long period without rain/water
  2. 4. When a cell splits twice
  3. 11. Contains DNA and humans have 23 pairs
  4. 13. Maintaining balance
  5. 14. DNA sequence that has specific code
  6. 17. A catalyst protein
  7. 19. When a species gets replaced my another
  8. 21. When a cell splits once
  9. 23. Captures light energy and makes chemical energy
  10. 24. Gradual changes in characteristics in organisms
  11. 25. Smallest particle for living things
  12. 28. Kills dangerous bacteria
  13. 30. Destruction of forests
Down
  1. 1. Organisms that use energy from the sun
  2. 3. Same; BB, bb
  3. 5. Weak gene, b
  4. 6. Overflow of water
  5. 7. Tolerance against something
  6. 8. Quick energy
  7. 9. Chemical reaction that uses oxygen
  8. 10. DNA dupiclates itself
  9. 12. When the ecosystem is stable
  10. 15. When too many fishes are being caught
  11. 16. Kills/repels pests
  12. 18. speeds up chemical reactions
  13. 20. when organisms depend on each other
  14. 22. Different; Bb
  15. 26. Strong Gene, B
  16. 27. Chemical reaction that doesn't use oxygen
  17. 29. Genetic information that stays in nucleus