Why is there always a loss of chemical energy with each step in a food chain and role of primary consumers in the food web?
Rk Naresh
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers—plants or algae—and nothing else as energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. a grasshopper living in the Everglades is a primary consumer.
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