There is shift in the policy of animal collection in the zoo from `unlimited animals and limited facilities' to 'limited animals and adequate facilities'. Give reason.

Explanation

Zoos were considered as picnic spots in the past. Now, they are managed as conservation and education centres where captive breeding of rare and endangered animals is undertaken and more and more information on wildlife conservation and management is generated through scientific research. Accordingly, there is a shift in the policy of animal collection in the zoo from .unlimited animals and limited facilities. to .limited animals and adequate facilities..