Life: The Science of Biology 12e Student Resources is no longer available and it was replaced by Biology and Life Sciences.
Media Clip 29.5: Stunning Siphonophore: Colonial Hydrozoans
This video, taken from the E/V Nautilus, shows a beautiful colonial hydrozoan drifting past the cameras.
Textbook Reference: Key Concept 29.3 The Root of the Animal Tree Provides Clues to Early Animal Diversification