The following feed at all the trophic energy in different trophic levels in an ecosystem is

Options :
  1. food chain
  2. food web
  3. ecological pyramids
  4. cycles
Answer and Explanation :-

Answer: Option 3


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But we believe - nay, Lord we only hope,That one day we shall thank thee perfectlyFor pain and hope and all that led or droveUs back into the bosom of thy love.
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