Plants like Aegle marmelos, Ocimumsanctum and Ficus religiosa are a group of plants designated as
Medicinal plant species
Lesser known food plants
Traditional food crops
Sacred species of plants
The major man made biotic factor is
Tectonic is the study of
On the high altitude, birds become rare or extinct, the plants which may disappear along with them are
According to $IUCN$, when a taxon is facing an extremely high risk of extinction in the immediate future, it is
What is Red Data Book ?