Nutrition in plants

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Across
  1. 4. Symbiosis
  2. 5. Saprophytic plants
  3. 7. Vessels for transporting water
  4. 8. A gas needed for photosynthesis
Down
  1. 1. An insectivorous plant
  2. 2. Covert nitrogen to nitrates
  3. 3. Leguminous plants
  4. 6. Autotrophs