List any two major causes other than anthropogenic causes of the loss of biodiversity.
$A$ species becomes prone to extinction due to
Which of the following has maximum genetic diversity in India?
Some of the nutrient cycles are labelled as below
$I$.Sulphur cycle $II$.Phosphorus cycle
$III$. Carbon cycle $IV$ .Nitrogen cycle
Of these, the sedimentary cycle is represented by
Exotic species Eichhornia crassipes
Biosphere reserves are different from national park as