Most of Antarctica is covered by the polar desert biome, as it is extremely cold and dry with very little precipitation, which creates conditions similar to a desert environment.
The biome that comprises most of Antarctica is the polar desert biome, which is characterized by extremely low temperatures, low precipitation, and limited vegetation, making it an appropriate description for the continent due to its vast ice-covered, barren landscape.
Most of Antarctica comprises the polar desert biome, as it is characterized by extreme cold, low precipitation, and absence of vegetation, which aligns with the harsh environmental conditions found on the continent.
