Leaf Anatomy Lesson

#1 - outermost layer and not made of cells; helps regulate water loss.

• Epidermal cells

• Palisade cells

• Xylem cells

• Waxy cuticle

#3 - layer of tall, columnar cells that contain many chloroplast for photosynthesis

• Epidermal cells

• Guard cells

• Pallisade mesophyll

• Spongy mesophyll

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

#4 - layer of irregular cells with space in between the cells

• Pallisade mesophyll

• Phloem

• Spongy mesophyll

• Xylem

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

#6 - porous opening in the bottom of the leaf that allows for gaseous exchange

• Pallisade mesophyll

• Spongy mesophyll

• Stomata

• Vein

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

#7 - two cells that surround each porous opening; regulates gaseous exchange by opening and closing the pore.

• Epidermal cells

• Guard cells

• Stomata cells

• Xylem cells

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

#8 - Cell tissue that makes up part of each vein that transports glucose and nutrients throughout the plant

• Epidermal cells

• Guard cells

• Phloem cells

• Xylem cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

#9 - Cell tissue that makes up part of each vein that transports water throughout the plant

• Epidermal cells

• Guard cells

• Phloem cells

• Xylem cells

Tags

NGSS.MS-LS2-3

The important gases, carbon dioxide and oxygen, enter and leave the leaf through the

• upper epidermis
• phloem
• stomata
• guard cells

Which structure helps prevent water loss and protects the leaf?

• Palisades mesophyll
• Spongy mesophyll
• Vascular tissue
• Cuticle

The outermost layer of CELLS of the leaf is the

• cuticle

• epidermis

• spongy mesophyll

• bundle sheath

Tags

NGSS.MS-LS1-2