In this new 2021 high-definition program, learn all about trees and their role in the ecosystem. How much oxygen does an average-sized tree produce? What does the root system of a tree provide for the tree? What are the differences between deciduous and coniferous trees? What are the parts of a tree? How does a tree turn air, water and sunlight into food? How does a tree turn air, water and sunlight into food? What does new research reveal about how trees communicate and help one another?
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.