More cards in this set

What gives flexible strength and resists tearing strains in the leaves?

What are the two main types of cells in xylem?

What do vessels and tracheids form?

What happens as cells mature and differentiate?

What is lignin?

What happens when lignin builds up?

What two things does the deposition of lignin do?

What are the two functions of xylem?

What is transpiration?

What is water needed for in plants?