File:Sea Star Anatomy Part 1

Description
External anatomy of a sea star. Phylum Echinodermata, Class Asteroidea.

Initial steps of the dissection process are also explained.

Part 2: Internal anatomy, can be found here: http://www.youtube.com/watch?v=Xm2mF2IgLrA

This video was made by the teaching assistant (C. Ernst) for the students of Organisms II at McGill University, but is appropriate for any introductory-level zoology program.

Organisms II, 2012