Food chain and Organic phenomenon

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

Organic phenomenon and food chain are semantically related. In some cases you can use "Organic phenomenon" instead a noun phrase "Food chain".

Organic phenomenon noun - (biology) a natural phenomenon involving living plants and animals.

Food chain and organic phenomenon are semantically related. Sometimes you can replace phrase "Food chain" with "Organic phenomenon", this phrases are similar.