BI-1981
Pyramids of numbers and biomass
Biology · Secondary 4 · Hard · Pyramids of numbers and biomass
In a food chain, grass is eaten by rabbits. Fleas live on the rabbits, and birds eat the fleas.
Which statement correctly compares the pyramid of biomass with the pyramid of numbers for this food chain?
Which statement correctly compares the pyramid of biomass with the pyramid of numbers for this food chain?
- Both pyramids are upright and have the same shape.
- The pyramid of biomass is upright but the pyramid of numbers is irregular.
- The pyramid of biomass is inverted but the pyramid of numbers is upright.
- Both pyramids are inverted because birds are top consumers.
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