In the United States, cassava is relatively unknown, though we're aware of one of its primary products: Tapioca. However, people throughout many (warmer) parts of the world know that the starchy, drought-tolerant, relatively pest-free cassava plant is a great dietary staple.
How much life could you find in one cubic foot? To answer the question, photographer David Liittschwager took a green metal frame, a 12-inch cube, to disparate environments—land and water, tropical and temperate. The goal: to represent the creatures that lived in or moved through that space. In all, more than a thousand individual organisms were photographed. See the rest here http://ngm.nationalgeographic.com/2010/02/cubic-foot/liittschwager-photography