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MERLOT II


    

Learning Exercise


Material: Stomata
Submitted by: Øystein Sørborg on Apr 14, 2010
Date Last Modified: Apr 14, 2010
Title: Exercise on stomata
Description: Six questions on stomata
Type of Task: Group, Individual, Student-centered, Supervised, Unsupervised
Audience: High School
Categories:
Text of Learning Exercise: Exercise 1 Describe the structure of the stoma complex Exercise 2 Why do we usually find more stomata on the lower side /underside of a leaf Exercise 3 Explain why the structure of the guard cells means that they change shape in response to increasing pressure Exercise 4 A tulip has more or less the same number of stomata on both sides of its leaves. Why? Exercise 5 Why does a water lily only have stomata on the upper sides of its leaves? Exercise 6 Explain in some detail how different factors can affect the opening and closing of stomata.
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