As you have already learned, the lateral meristems are responsible for secondary growth in woody plants. One type of lateral meristem, the vascular cambium, adds girth to woody plants by adding secondary vascular tissues The secondary xylem, commonly called wood, accumulates as the plant grows Predict what the cross section of a four-year-old tree trunk would look like if there were drought conditions for the first two years of the tree's life and wet conditions for the most recent two years.

• A
• B
• C
• D

A. B. C. D.