Nutrition in plants

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Across
  1. 4. Soil contains certain bacteria called _______ that can convert atmospheric nitrogen into water-soluble compounds
  2. 5. Organisms that can make their own food from simple non-living substances
  3. 7. Organisms that live in or near the host and obtain their nutrition from the host are called
  4. 8. The process of taking in food by an organism and it's utilization by the body is called
Down
  1. 1. The cells of green leaves and young stems of plants contain green structures called
  2. 2. What does 'PHOTO' in photosynthesis mean ?
  3. 3. cells The cells that control the opening and closing of stomata
  4. 6. Element that is needed in addition to carbon dioxide, hydrogen and oxygen to make proteins