Other
Utct Digi Morph: Digital Morphology the University of Texas
A dynamic archive of information on digital morphology and high-resolution X-ray computed tomography of biological specimens.
University of California
University of California Museum of Paleontology: Homologies
These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.
Other
The Evidence for Evolution: Homologous Similarities
This site is a section part of a website that accompanies "Evolution," a textbook by Mark Ridley. Here he covers homologous structures, using them as evidence for evolution.
The Wonder of Science
The Wonder of Science: Ms Ls4 2:anatomical Evidence of Evolutionary Relationship
Work samples, phenomena, assessment templates, and videos that directly address standard MS-LS4-2: anatomical evidence of evolutionary relationships.