BI-705
Pyramids of numbers and biomass
Biology · Secondary 3 · Hard · Pyramids of numbers and biomass
A woodland food chain is:
Oak tree caterpillars birds.
Numbers and mean dry mass of organisms are:
- 1 oak tree, 500 kg each
- 200 caterpillars, 0.5 g each
- 40 birds, 50 g each
Which statement about the pyramids for this chain is correct?
Oak tree caterpillars birds.
Numbers and mean dry mass of organisms are:
- 1 oak tree, 500 kg each
- 200 caterpillars, 0.5 g each
- 40 birds, 50 g each
Which statement about the pyramids for this chain is correct?
- Both the pyramid of numbers and the pyramid of biomass are upright
- Both the pyramid of numbers and the pyramid of biomass are inverted
- The pyramid of numbers is inverted, but the pyramid of biomass is upright
- The pyramid of numbers is upright, but the pyramid of biomass is inverted
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