Trophic Level Energy Transfer Calculation
The 10% rule states that approximately 10 percent of energy is transferred between trophic levels. If primary producers in an ecosystem capture 10,000 Joules of energy, how much energy is available to the tertiary consumers? This can be calculated using the formula .
A
1000 Joules
B
10 Joules
C
A misinterpretation might lead one to think that each trophic level retains more energy, such as 1 Joule or 10,000 Joules, but the proper calculation yields 10 Joules.
D
100 Joules
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