Take a lively look at the biology of plants on Earth—and their vast importance to our planet—with this wide-ranging exploration from an award-winning team.This tree doesn’t look like it’s doing very much.It just stands there in the sunlight,big and GREEN. But in fact, this tree is busy . . .On land and in the seas, green plants make the oxygen and food that many living things—including us—need to survive. Covering the evolution of the first plants billions of years ago, the s