Zooplankton are tiny animals that feed on phytoplankton.
Planktonic plants are called phytoplankton.
Zooplankton are tiny animals that feed on planktonic plants.
what do zooplankton feed on?

* planktonic plants
* Chemical energy
* animals
* microorganisms
* NaCl
* Chlorophyll
* insects
* an area swollen with pus