Beetles, bacteria, and biodiversity -- Critters galore, what they are -- Critters galore, where they live -- Major ecosystems -- Tragedy of the rain forests -- Gaia.
Summary:
Discusses the many different life forms that have existed on Earth, their importance, and how they have changed over time.
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.