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If 100,000 kJ of energy is available to the producers, how much energy is available to the secondary consumers in this food pyramid?

(1 point)
Responses

1000 kJ
1000 kJ

10,000 kJ
10,000 kJ
Question 2
In the above pyramid, if 100,000 kJ of energy is available to the producers, how much energy is available to the tertiary consumers?(1 point)
Responses

100 kJ
100 kJ

1000 kJ

1 answer

In a typical food pyramid, energy transfer between trophic levels follows the 10% rule, meaning only about 10% of the energy from one level is transferred to the next level.

Question 1: If 100,000 kJ of energy is available to the producers, then:

  • Energy available to primary consumers (10% of 100,000 kJ) = 10,000 kJ
  • Energy available to secondary consumers (10% of 10,000 kJ) = 1,000 kJ

So, the answer is 1,000 kJ.

Question 2: Using the same principle:

  • Energy available to tertiary consumers (10% of 1,000 kJ) = 100 kJ

So, the answer is 100 kJ.