nutrition in plants

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Across
  1. 4. -organisms that live on dead plants and animals and derive their food from them.
  2. 5. -the mode of nutrition where two different organisms work together for their mutual benefit.
Down
  1. 1. -organisms that directly or indirectly depend on green plants for nutrition.
  2. 2. -organisms that live in or on other living organisms and derive their food from them.
  3. 3. -organisms that can make their food from simple non-living substances