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

Fact 2: Some, such as bamboo and palm trees, have secondary growth.

Given the two facts above, answer the question "Secondary vascular tissues are employed by bamboo and what other kind of tree?" with the following options: 
- plants
 - ferns
 - grass
 - coniferous
 - Trees
 - elms
 - palm
 - deciduous


 

       palm  