BI-1868
Pyramids of numbers and biomass
Biology · Secondary 4 · Medium · Pyramids of numbers and biomass
A pyramid of biomass is drawn for a grassland ecosystem. Which of the following correctly describes why the producer level is always wider than the level of primary consumers?
- Producers reproduce faster than consumers so they are always more numerous.
- Producers store more energy as biomass than primary consumers.
- Primary consumers do not respire so they have less biomass.
- Energy flows from consumers to producers, reducing consumer biomass.
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