David Liittschwager had a question: “How much life can be found in a small piece of the world, in just one cubic foot, over the course of a normal day?” Seeking an answer, he began a nearly five-year project to photograph organisms in six locales representing earth’s vast biodiversity—including a cloudforest, shrubland, and a coral reef. In each location, Liittschwager placed a hollow green metal box measuring a foot per side. For several weeks, at different times of day, he photographed the creatures that flew, crawled, or swam through the box. Spliced together, the images offer a sample of what might appear in this spot in one day. See this article's accompanying photo gallery In French Polynesia, Liittschwager submerged his cube in Temae Reef, off Moorea. The kaleidoscopic image above is a two-page spread featuring nearly 400 organisms, from a pearly shell-less marine snail with pinprick eyes to a translucent larval octopus so delicate it could be blown glass. His...