Energy Flow

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Any of a group of green pigments found in photosynthetic organisms (11)
  2. 4. Depending on free oxygen or air (7)
  3. 6. How plants make food from sunlight (14)
  4. 7. A colorless ___ formed as an important intermediate in metabolism or fermentation (11)
  5. 10. Living or active in the absence of free oxygen (9)
  6. 11. A metabolic process that breaks down carbohydrates and sugars through a series of reactions (10)
  7. 12. A nucleoside that is a structural component of nucleic acids (9)
  8. 13. Clear liquid we drink that falls as rain (5)

Down

  1. 1. A process in which an agent causes an organic substance to break down into simpler substances (12)
  2. 2. A monosaccharide sugar that has several forms (7)
  3. 3. A heavy odorless colorless gas formed during respiration and by the decomposition of organic (13)
  4. 5. Plastid containing ___ and other pigments (11)
  5. 8. Gas in the air that we need to breathe (6)
  6. 9. What lets us see; the opposite of dark (5)