MP3 Crossword puzzle

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Across
  1. 1. A plants response to gravity
  2. 5. The process where a plant converts radiant energy to chemical energy
  3. 6. A plants response to water
  4. 9. Gas that plants produce during photosynthesis
  5. 12. This is many food chains together
  6. 13. The arrows in a food chain represent the flow of this
  7. 14. Food that plants produce during photosynthesis
  8. 15. Pignment that gives leaves their green color
  9. 16. During digestion chemical energy is transformed in to this energy
  10. 18. Organelle that photosynthesis takes place in
Down
  1. 2. A plants response to light
  2. 3. Pore on the bottom of leaves that release gases
  3. 4. Gas that plants use for photosynthesis
  4. 7. The first consumer in a food chain
  5. 8. During exercise chemical energy is transformed into this
  6. 10. A plants response to touch
  7. 11. Food chains always begin with a what
  8. 17. energy from the sun