Food chain - Wikipedia
https://en.m.wikipedia.org/wiki/Food_chain
WEBA food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae ), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales ), detritivore (such as earthworms and woodlice), or decomposer (such as fungi or bacteria ).
DA: 6 PA: 68 MOZ Rank: 20