Alpine forests occur at altitude
$3900-6000 m$
$1900-3000 m$
$1000-1500 m$
$500-1000 m$
A physiological xerophyte is
Fishing and Guano birds assist the cycling of
A natural region characterised by hot summer, warm winter and treeless vegetation
Which one has evergreen vegetation and drought adapted animals
Consider the following statements about carbon cycle and choose how many statements are correct?
$(a)$ Atmosphere has $71\;\%$ of total global carbon
$(b)$ Decomposers contribute substantially to $CO_2$ pool by their processing of waste materials and dead organic matter of land or oceans
$(c)$ $4 × 10^{13}\; kg$ carbon is fixed through photo-synthesis annually
$(d)$ No respiratory input into atmosphere
$(e)$ Carbon constitutes $ 49\;\%$ of dry wt. of organisms