Many phytoplankton are microscopic, and they range from single-celled algae to bacteria to protists, which aren’t plants or animals. One thing they all have in common: They require sunlight.

I’m studying how changes in temperature affect how fast plankton grow, and how much they eat. Is there a change in the community structure of those protists that pushes those organisms to eat ...

The oceans teem with photosynthesizing bacteria, tiny-tailed dinoflagellates gobbling other plankton, algae surrounded by intricate glass skeletons. In the 1960s, the ecologist G. Evelyn ...

Plankton collected in the Pacific Ocean with a 0.1 mm mesh net. This is a mixture of multicellular organisms -- small zooplanktonic animals, larvae and single cell protists (diatoms ...