Which of the following is unidirectional in an ecosystem?

  • A
    Free energy
  • B
    Carbon
  • C
    Nitrogen
  • D
    Potassium

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Similar Questions

Assertion : $A$ network of food chains existing together in an ecosystem is known as food web.
Reason : An animal like kite cannot be a part of a food web.

Assertion $A$: Heat energy is available for the functioning of a system.
Reason $R$: Some amount of energy is lost during energy transformation.
Which option is correct for Assertion $A$ and Reason $R$?

All organisms are directly or indirectly dependent on ......... for their food requirements.

Which one of the following is a correct food chain?

The driving force of an ecosystem is

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