You are presented with the question "What is plant's tendency to grow toward the sun called?" and the following answer choices: 
- photomorphism
 - phototropism
 - photosynthesis
 - peachleaf willow
 - Conifers
 - Exfoliation
 - vegetation
 - photochromic

Now knowing that plants exhibit phototropism, or growing toward a light source and light comes from the sun, choose the best answer.


 

  phototropism       