The species P and Q of wild animals are found only in a ‘particular area’. The species R of wild animals is listed in Red data book of India whereas species S of wild animals no longer exists anywhere on the earth.

(a) What name is given to species like P and Q?

(b) What are the species like R known as?

(c) Name one species like R.

(d) What is the special name of species like S?

(e) Name one species like S.