Question

1. Calculate the amount of energy that will be available to peacock in the following food chain, ir
10000J of energy is available to grass from the Sun Grass-Grasshopper-Frog Snake Peacock​

Answer 1

Answer:

1 j will be available to peacock

Explanation:

follow lindman rule I. e, 10% rule. In pyramid of energy only 10% of the energy is transferred from one trophic level to another.

1. grass-10,000J
2. grasshopper -1/10*10,000=1000J
3. frog=1/10*1000=100J
4. snake=1/10*100=10J
5. peacock =1/10*10=1J

Answer 2

Answer: Peacock = 1J

Explanation:

The 10% rule, introduced by Lindman, states that only 10% of energy moves from one trophic level to another, and 90% of energy is lost during movement, respiration, and digestive processes. . So if an asset (resides at the producer level) produces 100 units of energy, 10% of it will be transferred to primary consumers (10 units of energy) and 10% of the subsequent energy will go to secondary consumers (1 unit of energy).

By using Lindman's 10% rule we get,

1. grass = 10,000J

2. grasshopper = 1/10*10,000 = 1000J

3. frog=1/10*1000 = 100J

4. snake=1/10*100 = 10J

5. peacock =1/10*10 = 1J

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