What are the phytoplankton and the zooplankton?
The Phytoplankton and the zooplankton are divisions of the plankton. The phytoplankton includes the autotrophic floating beings: cyanobacteria and algae. The zooplankton is formed with the heterotrophic planktonic beings: small crustaceans, protozoans, cnidarians, larvae, and so on.