Grades: K-3; Subject Areas: Science.(2012) There are millions of different kinds of living things on the planet. Grouping them is not an easy task. This fascinating program explores this process and investigates some of the major groups of living things. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfVXlFcng4Y2pnOFk&usp=sharing