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Science of the Sea: Introduction to Marine Marvels (0:34)
Explore the ocean through this brief introduction to marine marvels.
Science of the Sea: A Closer Look at Crustaceans (3:36)
All crustaceans have external skeletons and jointed legs.
Plankton: Ocean Drifters (11:00)
The characteristics of plankton -- the basis of the entire ocean food web -- are presented in this video. Live-action footage introduces tiny phytoplankton and zooplankton, while animated footage and maps show how plankton grow and where they... More »
Plankton: The Basis of the Ocean's Food Web (2:59)
The video describes the two main kinds of plankton and their roles in the food web, with examples of how some animals catch plankton.

