You are presented with the question "What can feed on phytoplankton?" and the following answer choices: 
- producers
 - phytoplankton
 - passenger pigeons
 - bacteria
 - tiny crustaceans
 - the Sun
 - honeybees
 - parasites

Now knowing that zooplankton are tiny animals that feed on phytoplankton and many zooplankton are crustaceans, choose the best answer.


 

     tiny crustaceans    