Botanical gardens and zoological parks have

(a) Collection of endemic living species only
(b) Collection of exotic living species only
(c) Collection of endemic and exotic living species
(d) Collection of only local plants and animals 

Ans. (c) Collection of endemic and exotic living species

To understand this, you can visit the zoo at Delhi or Kolkata. You can also search in Google image and you will find giraffes; along with tigers and lions. Tigers and lions are endemic species while giraffe is an exotic species.