Nutrition in plants

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Across
  1. 4. Organisms that live in or on other organisms and derive thier food from them ?
  2. 5. Animals and non-green plants are called ?
  3. 6. The plant from which a parasite gets its food is called ?
Down
  1. 1. The mode of nutrition where two different organisms work together for thier mutual benefit ?
  2. 2. The process of taking in food by an organism and its utilization by the body is called ?
  3. 3. Organisms that live on dead plants and animals and derive thier food from them ?