$-1{ }^{\circ} C , 13^{\circ} C$ annual variations in the intensity and duration of temperature and $50$ and $250 \;cm$ annual variation in precipitation, account for the formation of a major biome as
Temperate forest
Coniferous forest
Tropical forest
Grassland
More conservative and scientifically sound estimate made by Robert May places the global species diversity at about
“When we conserve and protect the whole ecosystem, its biodiversity at all levels is protected.” This approach includes all of the following, excep
As estimated by Robert May, what is total number of species present on earth?
$IUCN$ - ....
The species, which is going to become extinct due to lack of proper care would be called