BI-1923
Energy losses in food chains
Biology · Secondary 4 · Medium · Energy losses in food chains
In a food chain grass → grasshopper → frog → snake, only a small percentage of energy is passed from frogs to snakes. Which reason best explains this low efficiency?
- Snakes cannot digest frog proteins.
- Most energy in frogs is lost as heat during respiration.
- Energy is destroyed when frogs die.
- Snakes only eat frogs that are already dead.
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