Questions: How much energy do the tertiary consumers receive if the producers receive 25,000 J of energy?
Transcript text: 28. How much energy do the tertiary consumers receive if the producers recelve $25,000 \mathrm{~J}$ of energy?
25 J
2.5 J
2500 J
250 J
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Solution
Solution Steps
Step 1: Understand the 10% rule
Only about 10% of the energy available within one trophic level is transferred to organisms at the next trophic level.
Step 2: Calculate energy for primary consumers
Producers have 25,000 J. Primary consumers receive 10% of this: 25,000 J * 0.10 = 2500 J
Step 3: Calculate energy for secondary consumers
Primary consumers have 2500 J. Secondary consumers receive 10% of this: 2500 J * 0.10 = 250 J
Step 4: Calculate energy for tertiary consumers
Secondary consumers have 250 J. Tertiary consumers receive 10% of this: 250 J * 0.10 = 25 J