Class VIII

There occurs diminishing along food chain in amount of
  1. energy
  2. heat
  3. food
  4. temperature
Organisms which feed on secondary consumers are called
  1. primary consumer
  2. tertiary consumers
  3. producers
  4. decomposers
Rest of dead body left after consumers feed is
  1. disappeared
  2. decomposed
  3. reacted
  4. spread
Producers, consumers and decomposers are dependent on each other for their
  1. growth
  2. reproduction
  3. breathing
  4. survival
Decomposers help in
  1. breaking dead waste
  2. recycle nutrients
  3. both a and b
  4. spreading decay
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