Question

explain the transfer of energy in each level

Answer 1

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Definition :

The energy transfer takes place in each trophic levels in such a way that each of the higher trophic level obtains less energy compared to lower trophic level. Or only 10% of the energy from lower level is transferred to higher level. Remaining energy will be lost in the form of heat.

Explanation with Example:

Consider a mango tree which is a producer since it produces its own food using photosynthesis. Let it be having the energy 10000Joules obtained from the sun during photosynthesis. Let a grasshopper feed on it ,then only 10% of 10000J will be obtained by the grass hopper i.e, 1000J energy .Similarly if a frog consumes the grasshopper then it gets 10% out of 1000J i.e, 100J . And if frog is taken by snake the snake obtains 10J energy and finally the tertiary consumer Eagle gets only 1J of energy .

It is also known as 10% rule of biodiversity.

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Answer 2

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels.