The biome concept organizes large-scale ecological variation. Terrestrial biomes are distinguished primarily by their predominant vegetation, and are mainly determined by temperature and rainfall.

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 ...

Then, as different lifeforms eat plants and animals, they use that energy ... And along the way, they’re disrupting grassland biomes that aren’t used to so many trees. Then those grasses ...