This map from the US Geological Survey (USGS) shows the shrinking range of the North American grassland biome. Thanks to agricultural conversion, invasive species, and climate change, grasslands ...

Three major selective forces dominate the evolution of plant traits in grasslands ... and a ground layer of herbaceous plants. Biodiversity is relatively high in this biome due to the niche ...

Grasslands occur naturally in many biomes and are also maintained in other areas by livestock grazing. Neonicotinoid insecticides can reduce nontarget plant bug abundance at field margins by up to ...

Some of the world’s main biomes include rainforest, desert, savannah, grassland, woodland and tundra ... In the Arctic, the ice provides a natural hunting ground for the polar bear where ...