The biome concept organizes large-scale ecological ... However, there is a lot of variability in desert types, with hot deserts, cold deserts, high elevation deserts, and rain shadow deserts.

But did you know there are also cold deserts, like the Arctic and Antarctic ... This clip is from the series Ecosystems and Biomes. This could be used to introduce students to the ecosystem ...

He’s not adapted for living here; it’s too cold and there’s no food ... Some of the world’s main biomes include rainforest, desert, savannah, grassland, woodland and tundra.

The Permian-Triassic extinction, also known as the Great Dying, was the most devastating event in Earth’s history. 96% of ...