The sequence grass → grasshopper → frog → snake shows a correct pathway for the flow of energy in a food chain (Option B).
- In a food chain, primary producers (e.g., plants and algae) generate organic compounds and energy that enter into the chain.
- The primary consumers (e.g., herbivores) are organisms that eat primary producers.
- Subsequently, secondary consumers (e.g., carnivores) are organisms that eat primary consumers and so successively in all the levels.
In conclusion, the sequence grass → grasshopper → frog → snake shows a correct pathway for the flow of energy in a food chain (Option B).
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