In 1 - 2 sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.(2 points)

Most of Antarctica comprises the polar desert biome, as the continent receives very little precipitation and experiences extremely cold temperatures, making it inhospitable for most forms of life.

is this true

Yes, that is true. Antarctica is mostly covered by a polar desert biome due to its dry and cold climate, with little precipitation and limited plant and animal life.