In prairie ecosystem, the population with the most amount of stored energy for use by other organisms would be the prairie grasses.
Prairie ecosystems are ecosystems formed from continuous interactions between some biotic and abiotic factors such as plants, animals, fire, temperature, landforms, and precipitation. These interactions lead to the ecosystem being dominated by grasses and forbs as well as animals such as prairie dogs, squirrels, pronghorn, coyotes, and many more.
Prairies grasses are the primary producers in prairie ecosystems. They fix energy directly from the sun through the process of photosynthesis.
Thus, prairie grasses, and generally, producers in any ecosystem, hold the highest amount of energy that can be used by other organisms in the food chain or web of an ecosystem.
Other organisms such as the prairie dogs, coyote, and hawks are consumers.
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