+
Graphic
University of California

University of California Museum of Paleontology: Distribution in Time and Space

For Students 9th - 10th
The Understanding Evolution site provides evidence for evolution in biogeography utilizing relative dating, geography, and plate tectonics.
+
Article
PBS

Pbs: Biogeography Polar Bears and Penguins

For Students 9th - 10th
From the Evidence for Evolution Library at PBS, this is a short article about biogeography. The distribution of animals is one source of evidence for Darwin's descent with modification.