What are ecosystems and biomes? Video

This video visually discusses what ecosystems and biomes are. The video is 16 minutes long.  It talks about the 7 major biomes on Earth, arctic, coniferous forest, deciduous forest, desert, grasslands, aquatic, and the rainforests.  Permafrost and savanna are also discussed.  At the very end of the video, the narrator demonstrates how to make a terrarium.