nutrition in plants.

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Across
  1. 4. organisms that can make their food from simple non-living substances.
  2. 5. necessary for photosynthesis.
  3. 6. a type of heterotrophic plant
Down
  1. 1. the mode of nutrition where two different organisms work together for their mutual benefit.
  2. 2. a pigment in plants
  3. 3. organisms that live in or on other living organisms and derive food from them.