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Biology — Energy Pyramid (10% rule)

Roughly 10% of energy passes to the next trophic level.

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Energy pyramid (10% rule)Producers10000Herbivores1000Lost as heat/waste9990Carnivores100Top predators10Conserved — 10000 in, 10000 out, across 5 nodes and 6 flows. The widths add up.5 nodes named only by a flow — `Producers`, `Herbivores`, `Lost as heat/waste`, `Carnivores`, `Top predators`. They are drawn under the bare id with no label,…Conserved: 10000 enters at `Producers` and 10000 leaves at `Lost as heat/waste`, `Top predators`, and every one of the 2 nodes between them passes on exactly …

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title "Energy pyramid (10% rule)"
flow "Producers" "Herbivores" 1000
flow "Producers" "Lost as heat/waste" 9000
flow "Herbivores" "Carnivores" 100
flow "Herbivores" "Lost as heat/waste" 900
flow "Carnivores" "Top predators" 10
flow "Carnivores" "Lost as heat/waste" 90