This map from the US Geological Survey (USGS) shows the shrinking range of the North American grassland biome. Thanks to ...

Alternate names for this biome are alpine tundra, wet tundra, and dry tundra. This forest is located in the very northern portion of North America including most of Canada and atop high-altitude ...

The Missouri River is the longest river in North America. It flows for nearly 4,000 km before joining the Mississippi River. The taiga forest is a biome spread over several continents in the ...