crisscrossing Science Episode 050: Biogeography: Why Things Are Where They Are

In episode 49 of crisscrossing Science, Chris Gaiser (professor of biology at Linfield College) and Mike Crosser (professor of physics at Linfield College) briefly touched on how biology and the similarity of organisms can tell us how recently organisms in different areas had been separated. This is a field called biogeography, and this is the topic for this episode. We consider how the Earth's latitude affects life and how islands are interesting examples of isolated organisms evolving on their own.