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.

It’s not just that he’s far from home, it’s that we’re in a totally different biome. Biomes are areas of the planet with a similar climate and landscape, where similar animals and plants live.

Whether in a desert, the savanna, or a tropical rainforest, plants have an important role in the ecological processes of Earth’s biomes. In this episode of Crash Course Botany, we’ll explore ...