The correct option is B A – I, B – III, C – II , D – IV
The term ‘Biodiversity’ was popularised by the sociobiologist Edward Wilson. He used it to describe the variety of plant and animal species in a given particular area.
In-situ conservation (also called on site conservation) protects an endangered plant or animal species in its natural habitat by different methods.
Plant pollinator or mutualism shows co-extinctions (phenomena of the loss or decline of a host species resulting in the loss or endangering of other species that depend on it.
Ex-situ conservation (also called as off - site conservation) preserves the components of biological diversity outside their natural habitats.