cells

Question 1

phloem

Answer 1

type of tissue that transports sugars made in the leaves to other parts of a plant

Question 2

Translocation:

Answer 2

transport of materials, such as water and glucose, in plants

Question 3

Xylem vessels:

Answer 3

pipelines for the flow of water up plants. They are made up of the remains of dead xylem cells fitted end to end with the joining walls broken down. Lignin in the cell walls gives them strength.

Question 4

lignin

Answer 4

a hard substance in the walls of dead xylem cells that make up the tubes carrying water up plant stems. Lignin forms up to 30 per cent of the wood of trees.

Question 5

guard

Answer 5

protect