In ecology, a food chain is defined as a linear sequence of organisms through which pass:
ANutrients and energy
BWater and minerals
COxygen and nitrogen
DSunlight and heat
Answer & Solution
Correct answer: A. Nutrients and energy
1. A food chain describes what moves between organisms.
2. In ecology, a food chain is a linear sequence of organisms.
3. Through that sequence nutrients and energy pass.
4. Primary producers, primary consumers and higher-level consumers describe the structure.
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 46 'Ecosystems', sections 46.1-46.3_
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