Energy Transfer in Living Systems

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Across
  1. 2. Used by plants to make oxygen, exhaled by animals
  2. 5. Broken down by bacteria, absorbed by roots
  3. 7. Convert sunlight to food (energy)
Down
  1. 1. Cycled in evaporation, precipitation and runoff
  2. 2. Use and re-use of Carbon, Nitrogen and Water
  3. 3. Secondary and Tertiary consumers
  4. 4. Rule which says only a tenth of the energy transfers between levels
  5. 6. Primary consumers