Ex-situ conservation: It is done by preserving the components of biological diversity outside their natural habitats. It is done by conserving genetic resources, as well as wild and cultivated species. Examples: cryopreservation, gene bank, zoological parks, botanical gardens and wildlife safari parks In situ conservation: It is done by conserving the species in their natural habitats. It is the best way of biodiversity conservation. Examples: sacred grooves, biosphere reserves, national parks and sanctuaries.