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The natural ecosystems are

Our Environment (10)

Consider the following ecosystems : 

  1. Ponds
  2. Forests
  3. Aquariums
  4. Crop fields

Out of these, the natural ecosystems are

  1.  I, II and III
  2.  II, III and IV
  3.  I and II only
  4.  I, II and IV 

Answer

C  - I and II only

  • Exam Year: 2020 Compartment
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