Small fish, crustaceans, and zooplankton feed on phytoplankton. Those creatures are then eaten by larger fish and corals, which, in turn become food for top ocean predators like sharks.

Plankton are eaten by a variety of animals, including fish, seabirds and corals. The fish that eat the plankton can be eaten by bigger fish, which may be eaten by even bigger fish, and so on and ...

After long periods of time, these deposits can alter physically and chemically to become ... are eaten by other organisms, which themselves reproduce, generate waste and die. Some plankton combine ...