Special | 14m 46s
Patrice looks at the important role species diversity plays in maintaining a health environment. Next she and Dave sweep for insects in a field near the Squam Lakes Natural Science Center. Then we take an up-close look at life on the forest floor. Finally Morrisa and Octave join Susan Morse of Keeping Track and discover the diversity of animals where she lives.
Aired: 05/10/10Video has closed captioning.