This Power Point presentation of the desert biome of North America answers the following questions: What is a desert? Where are deserts located in North America? What are the different kinds of deserts? The PPT then specifically focuses on the location, size, elevation, temperature, precipitation, mammals, amphibians, reptiles, birds, plant life, soil, national parks and preserves of the Arid Deserts (The Great Basin Desert, The Mojave Desert, The Sonoran Desert, and the Chihuahuan Desert). The PPT is full of pictures, animations, and transitions.