Journeys choice board

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Across
  1. 9. organism that eats other organisms to survive
  2. 11. all the Earth's living things
  3. 13. pigment in chloroplasts used to trap sunlight energy
  4. 14. third step in aerobic respiration
  5. 16. all the Earths rocks and soil
  6. 17. describes a situation in which oxygen in present
  7. 18. substances at the beginning of a chemical reaction
  8. 20. adenosine triphosphate, charged energy storage
Down
  1. 1. second step of photosynthesis
  2. 2. anything that takes up space
  3. 3. all the Earth's water
  4. 4. all the Earth's gasses
  5. 5. site of steps 2 and 3 of cellular respiration
  6. 6. substance made from a chemical reaction
  7. 7. process of using light energy to make glucose
  8. 8. organism that makes its own food
  9. 10. process of breaking down glucose to make ATP
  10. 12. describes a situation in which oxygen is not present
  11. 15. first step of photosynthesis
  12. 19. site of photosynthesis