There are many animals that have become in the wild but continue to be maintained in Zoological parks

There are many animals that have become in the wild but continue to be maintained in Zoological parks.
(a) What type of biodiversity cinservation is observed in this case?
(b) Explain any other two ways which help in type of conservation.

(i)Ex-situ conservation.
(ii) Botanical garden, Wild life safaries, Cryopreservation, In -vitro, Seed bank, Tissue cultire propagation.