You are presented with the question "what may have its leaf size increase as it grows?" and the following answer choices: 
- tiny polyps
 - gene flow
 - h2o
 - grass
 - subtropical
 - humans
 - Tropical
 - perennials

Now knowing that when a plant grows , the size of the leaves of that plant may increase and perennial types are planted outside in spring, choose the best answer.


 

        perennials 