BI-1957
Energy losses in food chains
Biology · Secondary 4 · Medium · Energy losses in food chains
In a food chain grass → grasshopper → frog → snake, energy is lost at each trophic level. Which is the main reason why less energy is available to the snake than to the frog?
- Energy is destroyed when organisms respire.
- Most energy is reflected by the snake’s skin.
- Much energy is lost as heat and in waste at each trophic level.
- The snake cannot digest any part of the frog.
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