Assertion:Energy flow in food chains is always unidirectional.
Reason:Only 10% energy is transferred to the next trophic level.
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Answered by
10
Answer:
The flow of energy in food chain in unidirectional because the sun is the only source of energy for all ecosystems on earth. Then the energy is captured by the autotrophs does not revert back to the sun. Therefore, in the food chain, the energy moves progressively through various trophic levels.
Answered by
14
Answer:
A and R are true and R is
the correct explanation of A
Explanation:
Energy transfer between trophic levels is inefficient. Only about 10% of the net productivity of one level ends up as net productivity at the next level. Ecological pyramids are visual representations of energy flow, biomass accumulation, and number of individuals at different trophic levels.
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