Interactive animation illustrates how Charles Darwin used his study of finch beaks to explain evolution. A phylogenetic tree diagram shows how the birds' color and beak shape changed over generations.

In this activity, you'll learn how to interpret images and maps in order to extract information about Darwin's trip to the Galapagos Islands. Links provided for a gallery of images and a worksheet.

Using the interactive, multimedia map, see the Islands as they exist today and learn how they inspired Darwin, who pointed to them as the "origin of all my views." You can trace the trip of Darwin and hear from biologists at each spot....

These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."

In this personal site find 28 large high-quality pictures of the islands nature - huge turtles, iguanas, exotic birds, sea cats, and of course perfect landscapes. It's an interesting photo cruise to Galapagos islands.

[Free Registration/Login Required] An informational text about natural selection and its role in the theory of evolution. A question sheet is available to help students build skills in reading comprehension.

The HMS Beagle, carrying Charles Darwin, sailed for five years and circumnavigated the world. Darwin recorded his observations in journals and later published them in 1839. This site contains pictures related to this expedition.

This encyclopedia article from Wikipedia on adaptive radiation discusses what it is, lists some examples, and distinguishes between the three different types of adaptive radiation.