Biosphere reserve programme started in India
$1986$
$1984$
$1982$
$1988$
The typical biome of an area having $50 $ to $100$ cm of rainfall is
The agent/s which make/s free atmospheric nitrogen available to plants is/are
Temperate evergreen forests are found in
Is the common edible mushroom an autotroph or a heterotroph ?
In an ecosystem the rate of production of organicmatter during photosynthesis is termed as