A food chain is the order in which living things eat one another. Top of the food chain.
Energy is lost at every step, which is why there are so few large predators. In an organisation the food chain is a figure for who answers to whom.
1nounfood chainThe order in which living things eat one another.
“Everything in that food chain depended on one kind of fish.”
food chain is an order.
Food plus chain, from ecology in the early twentieth century.
From food + chain.
Etymology from Wiktionary, CC BY-SA
Practised in Nature & Weather