Plankton cannot move at all. Plankton are sessile.
Plankton are unable to move significant distances against horizontally-flowing currents.
Plankton cannot move significant vertical distances in the ocean. Penguins are found in the high latitudes of both hemispheres. Seals and sea lions arose from land ancestors, but the precursors to whales were always oceanic forms. Order Pinnipedia b. The includes filter feeders which use plates of baleen for filtering krill from the water.