| Two food chains are shown. |
| (I) Tree \[\to \] aphid \[\to \] insectivorous bird \[\to \] prey feed on bird |
| (II) Phytoplankton\[\to \] zooplankton \[\to \] plankton feeding fish\[\to \] carnivorous fish |
| Which of the following diagram is a pyramid of Energy, representing both food chains? |
A)
B)
C)
D)
Correct Answer: C
Solution :
The ecological pyramid of energy is always upright because the distribution of energy is always reducing as the trophic level becomes higher (from primary producer to tertiary consumer). The total amount of energy available for utilisation in the layers above is less than the energy available in the lower levels.
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