Stanford University
Stanford University: Sea Urchin Embryology
A fantastic set of lab exercises, background information, teaching materials and references. Great for high school biology.
Stanford University
Stanford University: Sea Urchin Development: Core Lab Exercise
See sea urchins as they develop. A complete set of instructions for a lab in developmental biology. Excellent supporting material is provided, including troubleshooting information.
Stanford University
Stanford University: Primary Labs
This set of exercises provides well written procedures and background for labs at basic and advanced levels.
Stanford University
Stanford University: Path of Development (Animal Developmental Pathways)
An exciting explanation of animal development using sea urchins as a model. Animations, still images and supporting explanations make for a great learning experience.