Of the several gases in atmosphere, plant life mostly depends upon
Concentration of $O_2$
Availability of $CO_2$
Both $ (a) $ and $ (b)$
Concentration of $N_2$
It’s obvious.
Niche is defined as the
Species that can tolerate wide range of salinity are called $ ………….$ .
The major characteristics of the vegetation of a locality are controlled by
Two most important factors influencing the life of organisms are
Benthic organisms are affected the most by
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