A food chain is grass → grasshopper → frog → snake. If the grass fixes 20000 kJ and about 10% of energy passes up each level, how much energy reaches the snake?
Answer and explanation
Correct answer: C. kJ
- Step 1: There are three transfers, each keeping 10%.
- Step 2: kJ.
Answer
kJ.
Why not the others: kJ: Only two transfers were applied. kJ: Four transfers were applied. kJ: Only one transfer was applied.
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