Select the correct statement from the following.

In recent years, ex situ conservation has advanced beyond keeping threatened species in enclosures (e.g., seed banks and cryopreservation).

When an animal is endangered and needs urgent measures to save it from extinction, ex situ conservation is the desirable approach.

Cryopreservation is an example of ex situ conservation.

Zoological parks, botanical gardens protect animal and plant species outside their natural habitat (ex situ conservation).