Plants and Stomata

Carbon dioxide and oxygen both enter and leave the leaf at the 

• pore
• spongy measophyll
• guard cells
• stomata

What is the function of stomata?

• Absorbing sunlight

• Protecting inner tissue layers

• Allowing gases to enter and exit

• Transporting materials

The structures shown in the picture are called...

• ... stomata.

• ... spore cases.

• ... pallisade cells.

• ... leaf nostrils.

Tags

NGSS.MS-LS1-6

What happens to the structures shown in the picture when the weather is really hot and dry?

• They close.

• They open.

• They absorb water.

• They release water.

Tags

NGSS.MS-LS2-3

Process in which plants release excess water through their leaves is called ____________________.

• respiration

• transpiration

• absorption

• photosynthesis