A place where animals are protected in their natural habitat is called ________________.
Species found only in a particular area is known as____________.
Migratory birds fly to far away places because of __________ changes.
Differentiate between the following :Wildlife sanctuary and biosphere reserve.
Differentiate between the following :Zoo and wildlife sanctuary.
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Deforestation is done duee to the following causes :
(i) Due to the increased demand of wood and timber.
(ii) Due to the increased demand of land for constructing factories, houses, roads and dams.