Nutrition in plants

1234567
Across
  1. 4. a gas that is utilized for photosynthesis_____.
  2. 5. a mutually beneficial relationship______.
  3. 7. the process of taking in food and utilization of it ____.
Down
  1. 1. a bacteria usually found in roots of leguminous plants____.
  2. 2. an organelle of a plant cell thats green_______.
  3. 3. an insectivourous plant______.
  4. 6. tiny pores usually found on the underside of the leaves____.