Question

areas that are very rich in rare and threatened species and show high endemism are called​

Answer 1

The areas which are rich in rare and threatened species and show high endemic are called biodiversity hotspot.

Definition

The geographical areas that contain a high level of species which are critically threatened are called biodiversity hotspot.

EXAMPLES-

areas in Mesoamerica, the horn of Africa, sandaland, Indo-Burma etc.

SPECIFICATIONS-

• There must be at least 1500 species of vascular plants.
• It should have lost a minimum of 70% of its original habitat.

Answer 2

Answer:

Endemism

Explanation:

Endemism is the ecological state of a species being unique to a defined geographic location, ... The glacier bear is found only in limited places in Southeast Alaska. ... Endemics can easily become endangered or extinct if their restricted habitat ... Bermuda petrels and cedars are now rare, as are other species endemic to ..