Final answer:
A food chain is a sequence of organisms in an ecosystem. In the given examples, the accurate representation of a food chain is: Grass -> Rabbit -> Wolf.
Step-by-step explanation:
A food chain is a sequence of organisms in an ecosystem where each organism is the source of energy for the next organism in the chain. In the given examples, the accurate representation of a food chain is:
In this food chain, the grass serves as the producer, the rabbit as the primary consumer, and the wolf as the secondary consumer.
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