The biome concept organizes large-scale ecological ... Three major selective forces dominate the evolution of plant traits in grasslands, recurring fire, periodic drought, and grazing.

where similar animals and plants live. Some of the world’s main biomes include rainforest, desert, savannah, grassland, woodland and tundra. Each biome has characteristics that make it unique ...

Meanwhile, misguided attempts to plant saplings here have often disrupted the delicate balance of this unique biome, highlighting a lack of understanding about the significance of grassland ...

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 ...