Which of the following biogeographical realms encompasses the tundra, coniferous boreal forests, and temperate deciduous biomes across North America, Europe, and northern Asia?

💡 Solution & Explanation

The Holarctic realm is a major biogeographic region that combines the Palearctic realm of Eurasia and North Africa with the Nearctic realm of North America, sharing extensive ecological similarities across high-latitude northern hemisphere landmasses. The Neotropical realm covers South and Central America with tropical ecosystems. The Ethiopian realm spans sub-Saharan Africa, featuring unique savanna and desert flora and fauna distinct from northern temperate zones.