Bio Crossword

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Across
  1. 2. powerhouse of the cell
  2. 4. green pigment involved in photosynthesis
  3. 7. undergoes change during reaction
  4. 9. compound made with 2 hydrogens and one oxygen
  5. 10. another word for sugar
Down
  1. 1. the basic structures of all living organisms
  2. 3. makes up 21% of the atmosphere
  3. 5. is a process plants use to turn light into energy
  4. 6. substances after a biological process has occurred
  5. 8. is produced as a byproduct of cellular respiration