plankton: Media

biology

Videos

The essential role of phytoplankton in ecosystems
Learn about phytoplankton's role as the oxygen-producing foundation of many marine...
Video: Encyclopædia Britannica, Inc.
Observe diatoms, microscopic sea organisms encased in silicified cell walls with intricate designs
Learn about phytoplankton, which include diatoms such as Navicula and Ditylum.
Video: Encyclopædia Britannica, Inc.
The role of copepods in the marine food chain
Copepods are tiny oceanic crustaceans with prodigious appetites.
Video: Encyclopædia Britannica, Inc.
Observe permanent plankton, including transparent larvaceans, ciliate protozoans, and other zooplankton
Learn about zooplankton, such as copepods, rotifers, tintinnids, and larvaceans,...
Video: Encyclopædia Britannica, Inc.
Take an in-depth look at the variety of plankton, from diatoms and microflagellates to jellyfish
Learn about plankton, microscopic life-forms that drift in ocean currents and form...
Video: Encyclopædia Britannica, Inc.

Images

phytoplankton
Phytoplankton from the species Pleurosigma angulatum, which is found in...
AbleStock.com/Thinkstock
marine zooplankton
A collection of marine zooplankton composed of copepods, Daphnia (water...
FLPA/Alamy
plankton
Figure 3: Representative plankton.
Encyclopædia Britannica, Inc.