To prioritize regions for conservation, scientists have identified 25 biodiversity hotspots. what does an area have to contain?

Contain endemic species and be threatened by destruction.

Explanation:

Prioritizing the conservation of certain regions that support a habitat with a rich biodiversity is one of the key factors that can help us retain the natural balance of the biosphere and scientists have determined some aspects that these regions need to satisft to be accepted as biodiversity hotspots.

For the area to be a biodiversity hotspot, it need to contain endemic species that needs to be protected and the habitat also needs to be threatened with destruction if not protected from human impact.

I hope this answer helps.

explanation:

yes you are doing it right great gob

this is math not biology xd