Gujarati
12.Ecosystem
medium

Flow of energy declines from low to higher trophic level in ecosystem, is mainly explained by

A

First law of thermodynamics

B

Second law of thermodynamics

C

Both of these

D

None of the above

Solution

(b)The second law of thermodynamics states that, ‘‘Process involving energy transformation will not occur spontaneously unless there is degradation of energy from nonrandom to a random form’’.

Standard 12
Biology

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