See nature's patterns in this photo gallery. They're in everything from ocean currents to a flower's petals. Scientists are taking a new look at Earth-patterns, from the biodiversity of yard plants in the US to that of desert mammals in Israel. From where flowers and bees live on the Tibetan plateau to how willow trees in America's Midwest make use of water. They're finding that two fields of science -- ecology and phylogenetic--are inextricably intertwined.