Q8 of 62 Page 110

What criteria should one use in categorizing a species as threatened?

The following criterions are used by IUCN to categorise species as threatened species:

a) Rate of the population decline


b) Geographic region


c) Population size is studied


d) It is studied whether the population lives in a restricted area or not.


e) Whether the quantities analysis show high risk of extinction or not.


More from this chapter

All 62 →