Briefly explain.
a. Ex situ conservation b. In situ conservation
c. Protected areas d. Biosphere Reserves
e. Red list

Explanation

a. Conservation outside the habitats.
b. Conservation inside natural habitats.
c. The areas of land or sea which are meant for the protection and maintenance of biodiversity, natural resources etc.
d. The protected areas of land or coastal environmental to conserve the ecosystem and the genetic resources present there are known as biosphere reserves.
e. Red list is a catalogue of taxa that are facing the risk of extinction.