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Structure and Function of the Leaf and Tropisms: Booklet
Pg. 1 Title: Seeds
Follow directions on Seed Lab.
Answer Pre-Lab Questions and draw in your booklet.
Pg.2 Title: Gas Exchange In Photosynthesis (Pg. 293)
Draw and Label the 2 pictures on pg. 293. Under the drawings in your booklet
write the green explanation that is written underneath the drawing in the book.
(Guard cells regulate…………)
Describe Transpiration:
-What is it?:
-Where in the leaf?
-What happens at night to prevent too much water loss?
Pg. 3 Title: Leaf Adaptations (Pg. 294)
Describe the purposes of the spine on Cacti:
Describe the leaves of pine trees. What is the purpose of their adaptations?
Describe the adaptations of rainforest plants. What is the purpose of their
adaptations?
Describe the adaptations of aquatic plants: What is the purpose of their
adaptations?
Describe the types of plants that live in bogs. What is the purpose of their
adaptations?
Pg. 4 Title: Leaf Structures (Pg. 292)
Glue and Label the leaf structure diagram provided.
Under the leaf diagram, briefly describe the FUNCTION (what does it do) of:
Guard cells (1st paragraph):
Mesophyll:
-Palisade mesophyll contains numerous___________ for photosynthesis.
Stomata:
Observe the cross sections of the leaf under the microscope. (By the window)
Which structure is the pink microscope pointing to?
The purple?
Pg. 5 Title: Tropisms (Pg. 295)
Explain Tropism:
Describe an example of Positive Tropism:
Describe an example of Negative Tropism:
Describe and Sketch (Use pics below) Phototropism:
Describe and Sketch Gravitropism:
Describe and Sketch Hydrotropism:
Describe and Sketch Thigmotropism:
Phototropism
Pg. 6 Title: Plants
Gravitropism
Hydrotropism
Thigmotropism
Have Three Main Tissue Systems (pg 279)
1. Dermal Tissue
-makes up the _________ _________ of the plant (Like Skin!)
-Cells in the dermal tissue are called ____________ cells.
-Epidermal tissue _____________ the plant from the outside environment.
-Epidermal cells secrete a waxy substance called the ____________, which
protects the plant
from _____________ loss.
-Root hairs increase the surface area for the absorption of ____________.
2. Vascular Tissue
-responsible for transporting __________ and ____________ throughout the plant
-Xylem: (function):
-Phloem: (function):
3. Ground Tissue
-makes up the ___________ of the plant
-provide support for ________ and ________
-packed with cells containing _____________, which are responsible for
________________ in the plant.