The arctic tundra is different from the alpine tundra because it has .?

The Arctic tundra is characterized by its flat, treeless landscape and permafrost layer, which remains frozen year-round, while the alpine tundra is found at high elevations in mountainous regions and lacks permafrost. Additionally, the Arctic tundra experiences a colder climate with longer winters and shorter growing seasons compared to the alpine tundra, which can have a more varied climate and biodiversity due to its elevation. These differences influence the types of vegetation and wildlife found in each environment.