Question

ASSERTION- The number of trophic levels in a food chain are limited.
REASON- Decrease in energy at higher trophic levels, only 10% energy is transferred to next tropic level.



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Answer 1

Answer:

both assertion and reasoning are true and the reason is the correct explanation of the assertion.

since there is a massive decrease in the energy therefore very little energy is passed to the next level . By the time the energy reaches to the 5th or 6th level, energy transfered becomes very negligible, thus making them impossible to survive. therefore The number of trophic levels in a food chain are limited.

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Answer 2

Answer:

reson is correct

it is. true