| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | tundra | North America | Tundra is a biome characterized by low temperatures, short growing seasons, and permafrost. | 1 |
| 2 | tundra | North America | Tundra is a biome characterized by cold temperatures, low-growing vegetation, and permafrost. | 1 |