Fact 1: Aplant requires sunlight for photosynthesis.

Fact 2: Ferns are one type of seedless plant.

Given the two facts above, answer the question "what requires sunlight for photosynthesis?" with the following options: 
- roots
 - rice
 - sugar
 - caterpillars
 - humans
 - thermometer
 - ferns
 - trees


 

       ferns  