Download L10: 10.1 - kleeAMSTI

L10: 10.1
Leaf Cell Stomata
QUESTION:
 How
does water vapor escape
a plant?
HYPOTHESIS:
I
believe that water vapor
escapes a plant by …. because
…..
PROCEDURE:
 Page
122-123
DATA:
 Microscope
drawing:
 High (300 X)
 Title: Stomatal Unit
 Label:
 Stoma
 Guard
Cell
 Nucleus
DATA ANALYSIS:


1. Most dicot leaves have their stomata on
the underside of their leaves. Why do you
think Lemna have their stomata on their
upper surfaces?
2. What evidence is there that the lettuce
you observed is in fact a leaf?
3. What substances enter or exit a
plant’s leaves through the stomata?
 4. How do guard cells operate to form a
stoma?

VOCABULARY:
 Stomata
 Guard
Cells
 Osmosis
 Semipermeable
CONCLUSION:
 Be
sure to look back at the
original question.
 Be sure to use complete
sentences.
 Be sure to USE & HIGHLIGHT
all vocabulary words.