Food chain and Food cycle

Food chain noun - (ecology) a community of organisms where each member is eaten in turn by another member.

Food cycle and food chain are semantically related. in feeding relationships among organisms topic. In some cases you can use "Food cycle" instead a noun phrase "Food chain".

Food cycle noun - (ecology) a community of organisms where there are several interrelated food chains.

Food chain and food cycle are semantically related. Sometimes you can replace phrase "Food chain" with "Food cycle", this phrases are similar.