Fact 1: Zooplankton are tiny animals that feed on phytoplankton.

Fact 2: Planktonic plants are called phytoplankton.

Given the two facts above, answer the question "What feed on plant plankton?" with the following options: 
- passenger pigeons
 - parasites
 - sunlight
 - animal plankton
 - ice
 - horses
 - absorb light energy
 - honeybees


 

    animal plankton     