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12.Ecosystem
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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
Similar Questions
Match the following columns.
Column $- I$ | Column $- II$ |
$(a)$ Phytoplankton, grass | $(p)$ First trophic level |
$(b)$ Man, Lion | $(q)$ Herbivore |
$(c)$ Zooplankton, Cow, Grasshopper | $(r)$ Third trophic level |
$(d)$ Birds, Wolf | $(s)$ Top carnivore |
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