Environment & Ecology · Ecological Pyramids
What is the primary ecological reason that a Pyramid of Energy always maintains an upright shape across all ecosystems?
- 1The number of organisms systematically decreases from lower to higher trophic levels.
- 2Energy continuously decreases at successive trophic levels due to heat loss, respiration, and waste.✓
- 3Producers undergo rapid reproduction and turnover, leaving them with a lower standing crop.
- 4The standing biomass of primary producers inherently exceeds the biomass of top predators.
Correct answer
Energy continuously decreases at successive trophic levels due to heat loss, respiration, and waste.
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