In a typical food pyramid, energy decreases as we move up the trophic levels due to the inefficiency of energy transfer (usually around 10% of energy is transferred to the next level).
Given that the producers have 100,000 kJ of energy, we can calculate the energy available to the secondary consumers as follows:
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Energy available to primary consumers (first trophic level): \(100,000 , \text{kJ} \times 0.10 = 10,000 , \text{kJ}\)
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Energy available to secondary consumers (second trophic level): \(10,000 , \text{kJ} \times 0.10 = 1,000 , \text{kJ}\)
Therefore, the energy available to the secondary consumers in this food pyramid is 1,000 kJ.