The flow of energy in a food chain is always:
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Correct answer: Unidirectional
Energy flows in a single direction—from the sun to producers and then through consumers. Unlike nutrients, which cycle through the ecosystem, energy is eventually dissipated as heat and cannot be reused by producers.
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More Food Chains questions
- What is the role of 'Zooplankton' in a pond food chain?
- Which of the following would be the first link in a food chain located in the deep ocean near hydrothermal vents?
- Which of the following ecological pyramids can sometimes be inverted in an aquatic ecosystem?
- In a food chain, which organism is always found at the first trophic level?
- Which of the following describes a 'Detritus' food chain?
- What percentage of energy is typically transferred from one trophic level to the next in a food chain?