A diagram showing every feeding link between many species, not just one line, is a food:
AA food web
BA food wheel
CA food wall
DA food wagon
Answer & Solution
Correct answer: A. A food web
1. A chain traces a single path only.
2. Real ecosystems have many overlapping paths.
3. The fuller picture is a food web of links.
_Source: OpenStax Concepts of Biology, Chapter 20, Ecosystems and the Biosphere._
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