C2 noun /ˈzuːəʊˌplæŋktən/
zooplankton
zooplancton
Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
El zooplancton juega un papel importante en la cadena alimentaria acuática.