Fact 1: Secondary growth forms secondary vascular tissues and bark.

Fact 2: Vascular tissue refers to blood vessels.

Given the two facts above, answer the question "Secondary growth forms secondary" with the following options: 
- blood vessels
 - permineralization
 - Conifers
 - color of leaves
 - oxidation reaction
 - Most plants
 - peachleaf willow
 - shrub beds


 

 blood vessels        