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A field study ranks each species by what it eats. That feeding rank is called its:

ATropical level
BTropism level
CTrophic layer
DTrophic level
Answer & Solution
Correct answer: D. Trophic level
1. Each step of the chain is a feeding rank. 2. Producers sit at the first rank. 3. That rank is the trophic level. _Source: OpenStax Biology 2e, Chapter 46, Ecosystems._
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