A plant's food factories: Leaves

Question 1

The main function of leaves…

Answer 1

photosynthesis

Question 2

The structure of a leaf…

Answer 2

is related to its functions.

Question 3

The top and bottom surfaces of the lea are covered with a single layer of cells called the…

Answer 3

epidermis

Question 4

The waxy layer that helps keep the leaf from drying out.

Answer 4

cuticle

Question 5

Note Card

Answer 5

Light can easily pass through the epidermis to the leaf’s interior.

Question 6

Tiny pores or openings in the epidermis allow CO2, H2O, and O2 molecules to enter and exit the leaf.

Answer 6

Stomata

Question 7

Open and close the stomata

Answer 7

guard cells

Question 8

Made of cells that contain many chloroplasts- photosynthesis takes place here.

Answer 8

Palisade Layer

Question 9

The green pigment that absorbs light energy.

Answer 9

Chlorophyll

Question 10

Made of cells that are spread further apart. The spaces between these cells allow more carbon dioxide molecules to diffuse more freely.

Answer 10

Spongy Layer

Question 11

Transports water and minerals

Answer 11

Xylem

Question 12

Takes the glucose (sugar) made during photosynthesis from the leaf to the rest of the plant.

Answer 12

Pholem

Question 13

Review

Answer 13

C= Carbon
H= Hydrogen
O= Oxygen

CO2= carbon dioxide
O2= oxygen
H2O= water
C6H12O6= glucose