The correct placement of tropic levels is shown by upright energy pyramid.
What are tropic levels?
- "The trophic level of an organism is the position it occupies in a food web."
- The lower level contains producers and the top level contains predators.
What do you mean by energy pyramids?
- "It is a graphical representation of the energy found within the trophic levels of an ecosystem."
- The producers have highest energy whereas the top-level organisms would have the lowest energy because energy decreases by 10% while moving from lowest to upper levels.
- So, the energy pyramid is always upright.
Hence, the correct option is A.
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