A food chain represents the flow of energy in an ecosystem. It typically starts with producers (organisms that make their own food, like plants - grass), followed by primary consumers (herbivores that eat producers - goat), and then secondary or tertiary consumers (carnivores or omnivores that eat other consumers - human eating goat). The chain shows a linear sequence of who eats whom.
Which one of the following group of organisms forms a food chain ?
Asked in UPSC NDA 1 2018 · Topic: Vitamins and Nutrition (Balanced Diet and Recommended Dietary Allowances (RDAs))
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