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Q.2 Differentiate between the following.
(a) Wildlife sanctuary and biosphere reserve
(b) Zoo and wildlife sanctuary
(c) Endangered and extinct species
(d) Flora and fauna
Answer :

(a)
Wild life sanctuary
An area in which wild animals are protected from external danger like hunters. Ex - corbate national park
Biosphere resurve
An area constructed for the conservation of biodiversity ex-nilgiri biosphere resurve
(b)
Zoo
(i)A place where animals are protected in an artificial habitat, for an exhibition.
(ii) it is an artificial habitat
Wild life sanctuary
(i)An area in which wild animals are protected from external danger like hunters.
(ii) it is a natural habitat.
(c)
Endangered species
The species which are on the verge of extinction are called as Endangered species. Eg: tigers, dolphins, blue whales
Extinct species
The species of animals whose number is zero because of changes in their habitat and other calamities. Eg: Caribbean monk seal, Great Auk, Passenger pigeon.