Fact 1: Trees have woody stems covered with bark.

Fact 2: Stems of plants include trunks and branches.

Given the two facts above, answer the question "What part of a tree would be woody and covered in bark?" with the following options: 
- shrub beds
 - the leaves
 - the roots
 - cacti
 - a sapling
 - Chlorophyll
 - the trunk
 - four limbs


 

       the trunk  