Fact 1: Algae have varied life cycles.

Fact 2: Diatomes are a type of single celled algae.

Given the two facts above, answer the question "what have varied life cycles?" with the following options: 
- insects
 - h2o
 - bacteria
 - diatomes
 - mammals
 - days
 - gravity
 - Most plants


 

    diatomes     