The species confined to a particular region and not found elsewhere is termed as -
- Alien
- Rare
- Endemic
- Keystone
Answer
(3) Endemic
Solution
Endemic species are confined to a particular region and are not found naturally anywhere else; high endemism is one of the criteria for biodiversity hotspots.
Alien species are introduced from outside the region, rare species have small populations, and a keystone species has a very large role in maintaining its community.
Answer: (3)