Look around you and describe your surroundings. Are you surrounded by tumble weeds, forest, luxurious jungle flowers? Why or why not? In this unit you will explore the world of biomes, and what makes a biome what it is.

What’s so special about terrestrial life? Other than the fact that we are part of it, terrestrial life is easily influenced by the climate. A small change in temperature or moisture, and you’ve got a totally different biome that calls for totally different adaptation. In this lesson you’ll learn how more about this interplay and how it impacts life on the planet.