food chain

US /ˈfuːd ˌtʃeɪn/
UK /ˈfuːd ˌtʃeɪn/
"food chain" picture
1.

Nahrungskette

a hierarchical series of organisms each dependent on the next as a source of food

:
In the ocean food chain, plankton are at the bottom.
In der marinen Nahrungskette stehen Plankton am unteren Ende.
Humans are at the top of the terrestrial food chain.
Menschen stehen an der Spitze der terrestrischen Nahrungskette.