nutrition in plants

123456
Across
  1. 3. the processes of taking in food by an organism and its utilization by the food
  2. 4. organisms that live on dead plants and animals and derive their food from them
  3. 5. organisms that can make their food from simple non- living substances
  4. 6. the mode of nutrition where two different organisms work together for their mutual benefit
Down
  1. 1. organisms that live in or on other living organisms and derive their food from them
  2. 2. organisms that directly or indirectly depend on green plants for nutrition