Leaf Anatomy & Photosynthesis

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

• Epidermal cells

• Palisade cells

• Xylem cells

• Waxy cuticle

Tags

NGSS.MS-LS1-2

#2 & #5 - outermost layer of cells; provides protection from outside elements.

• Epidermal cells

• Palisade cells

• Phloem cells

• Waxy cuticle

Tags

NGSS.MS-LS1-2

#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.MS-LS1-2

NGSS.MS-LS1-6

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

• Pallisade mesophyll

• Spongy mesophyll

• Stomata

• Vein

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

#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.HS-LS1-5

NGSS.HS-LS2-5

#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-LS2-3

#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-LS1-1

NGSS.MS-LS1-2

The role of the guard cell is to

• help control the temperature of the plant
• control how much water enters the leaf
• control how much glucose is stored
• control the movement of water vapour & gases 

Tags

NGSS.MS-LS1-2

In a chemical equation, which is true? 

• reactants--> products 
• products--> reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5