Fact 1: Plants exhibit phototropism, or growing toward a light source.

Fact 2: Bamboos are vigorous, rugged plants.

Given the two facts above, answer the question "What exhibits phototropism?" with the following options: 
- Oak
 - potatoes
 - flowers
 - Trees
 - bamboo
 - sunlight
 - deep-sea organisms
 - the Sun


 

     bamboo    