These animals are best adapted to vast expanses of grassland with scattered trees ... This could be used to introduce students to the ecosystem of the tropical savanna and how people, plants ...

On this western rim of the great dish that holds grassland to the heart of the ... by a few dominant European grasses in a simplified ecosystem unsuitable for all but the most adaptive prairie ...

Investigating the plants and animals of temperate grasslands ... and how these plants are essential to maintaining the grassland ecosystem. This clip is from the series Ecosystems and Biomes.