Instructional Video3:10
Ancient Lights Media

Biological Classification - Worms & Molluscs

6th - 8th
Biological Classification Set: This clip looks at the three major phyla of worms: the Platyhelminthes, Nematoda and Annelida. As well as examining the phylum Mollusca.
Instructional Video
Sea Studios Foundation

Shape of Life: Mollusc Animation: Abalone

9th - 10th
The abalone demonstrates the basic body plan of molluscs. A foot is used for movement. A radula is a scraping tongue, and a mantle secretes the shell. [1:22]
Instructional Video
Sea Studios Foundation

Shape of Life: Mollusc Animation: Nautilus Body Plan

9th - 10th
Numerous tentacles, a funnel that evolved from the foot, a mantle that secretes the shell, and a pair of jaws with a radula- these all clearly show the nautilus mollusc design. Spiraling through the shell, a tube called the siphuncle...