Multiple choice

Pyramid of energy is always:

  1. upright

  2. downward

  3. upright in pond and downright in forest

  4. upright in forest and downright in pond

  5. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pyramid of energy is upright because when energy flows from a trophic level to next trophic level, some energy is always lost as heat at each step. Finally, it is lost to atmosphere and never goes back to the Sun.

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