Fact 1: Phytoplankton are bacteria and algae that use sunlight to make food.

Fact 2: Most copepods feed on phytoplankton.

Given the two facts above, answer the question "what happens to bacteria and algae that use sunlight to make food?" with the following options: 
- Transfers energy
 - food poisoning
 - production of energy
 - they form a bomb
 - it helps plants in growing
 - they die
 - copepods feed on them
 - competing for resources


 

       copepods feed on them  