Photosynthetic yield is maximum at the
Equator region
Polar region
Both $(a)$ and $(b)$
Arid region
The instrument which measures wind velocity is
Which of the following soil is transported by air
$A$ : Different ecotypes of a species despite being genotypically different are interfertile.
$R$ : They are locally natural selections from a pool of genetic variations found in gene pool of a species.
Which of the following isolation is important for speciation
Release of phosphates and nitrates in water bodies(i.e. rivers and lakes) lead to