As of 2005, how many biodiversity hotspots have been identified around the world? 12 24 34 44

Option C, 34

Explanation:

There were total 34 biodiversity hotspots in 2005.

Most of these biodiversity hotspots lie in tropical forest. They constitute a minimal portion of earth surface but have enormous form of life diversity (both plants and animals) . There are nearly 40-50 % of diversifies plant and animals in these hotspots. The most active hotspots are found under Yellowstone, Galápagos Islands, Hawaii, Réunion,etc.

Hence, option C is correct