Which term describes a sequence of organisms in which each is eaten by the next member in the chain?

Which term describes a sequence of organisms in which each is eaten by the next member in the chain?

• A. Grazing food chain
• B. Food web
• C. Detritus food chain
• D. Food chain

Answer: (A)

Energy moves through ecosystems along feeding relationships in a chain, where each organism is eaten by the next. When this sequence starts with living plant material and follows herbivores to carnivores, it’s described as a grazing food chain. This term emphasizes the live-plant origin of the energy flow, which fits the idea of a straightforward, linear sequence of who eats whom. A food chain would also describe a linear sequence, but the wording here highlights the living-plant start, which is why grazing food chain is the best fit. A food web is a network of many interconnected chains, not a single line. A detritus food chain starts with dead organic matter and decomposers, not living plants.

Energy moves through ecosystems along feeding relationships in a chain, where each organism is eaten by the next. When this sequence starts with living plant material and follows herbivores to carnivores, it’s described as a grazing food chain. This term emphasizes the live-plant origin of the energy flow, which fits the idea of a straightforward, linear sequence of who eats whom.

A food chain would also describe a linear sequence, but the wording here highlights the living-plant start, which is why grazing food chain is the best fit. A food web is a network of many interconnected chains, not a single line. A detritus food chain starts with dead organic matter and decomposers, not living plants.