You are presented with the question "What grow in length and girth caused by meristems?" and the following answer choices: 
- roots
 - ferns
 - legumes
 - Trees
 - plants
 - Flowers
 - bushes
 - bamboo

Now knowing that roots grow in length and width from primary and secondary meristem and growth in girth is caused by other meristems, called secondary meristems, choose the best answer.


 

 roots        