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Homeostasis in Plants

Watch this explanation of what we are going to be doing today :D

Homeostasis in Plants

When you are have collected your stomata numbers, put them here to collect class data

Plants need constant water supply to help them with photosynthesis

Transpiration: the evaporative water loss in plants

Next steps:

Next, read the procedure with your neighbors

  • Do the Pre-thinking questions on this lab as we watch this film

Review: Stomata is where the water loss happens!

First, let's evaluate the last experiment...

How do stomata maintain homeostasis?

Stomata open: transpiration rate INCREASES

Stomata closed: transpiration rate DECREASES

What went wrong? (LOGISTICS)

Nevertheless, evaluate your hypothesis

Cool finding review!

Plants are evolving to save water by decreasing the number of stomata they have

increase in CO2 due to global warming

What are plant stomata?

Plant stomata are tiny openings in leaves of plants that help them "breathe"

Oxygen

Carbon Dioxide

What are we doing today?

Plant experiment! Using microscopes!

Looking at plant stomata!

Do Now

  • What is the reaction for photosynthesis?
  • How do you thermoregulate?
  • If plants don't have mouths, how do they breathe in Carbon Dioxide?

one person per group go get your plants

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