8. 1 Xylem and phloem

Question 1

xylem

Answer 1

a plant tissue made up of dead, empty cells joined end to end; it transports water and mineral ions and helps to support the plant.

Question 2

phloem

Answer 2

a plant tissue made up of living cells joined end to end; it transports substances made by the plant, such as sucrose and amino acids

Question 3

lignin

Answer 3

a hard, strong, waterproof substance that forms the walls of xylem vessels