Fact 1: Roots have primary and secondary meristems for growth in length and width.

Fact 2: Growth occurs in meristems.

Given the two facts above, answer the question "Where does lengthening and widening occur in plant roots?" with the following options: 
- meristems
 - Epidermis
 - cracking
 - allow growth
 - buds
 - stamens
 - epidermal
 - fruits


 

 meristems        