List I (Major Biome) | List II (Physical Characteristic) | ||
A. | The northernmost of the Temperate Formations | 1. | Floristically poor (i.e. a continuous belt across North America and Northern Eurasia) |
B. | Arctic Tundra Vegetation | 2. | Boreal Forest |
C. | Marine | 3. | Pelagic division |
D. | The terrestrial biomes of the tropics | 4. | Savanna woodland |
5. | Soviet Steppe and North American Prairie |