What is the world's largest biome?
1 Answer
It depends upon whom you ask. It could be "Ocean"/"Saltwater", "Taiga" or something else depending on how they are classified.
Explanation:
It depends on how you define a biome.
Some define a biome as an area of similar biodiversity. In surface area of the world, there is more area that is covered by saltwater than any other type of area. Some people label this as "Ocean" while others label it as "Saltwater". University of California
Others define biome as Similar biodiversity across continents. This implies it is a LAND surface area and the Taiga biome covers more area than any other land biome. These people would state the Taiga biome covers more than any other biome. Wikipedia
The Wikipedia article is also good at showing there are several ways for a biome to be defined.