Download PreAP Plant Packet

PreAP Plant Packet
Use your book to complete the following:
Chapter 31
1. Fill out the following information on plant growth:
Type of
growth
Describe this type of
growth.
Where does it
happen?
What tissues are
involved in the
growth?
Primary
Secondary
2. A 2nd grader carved a heart into a tree with the initials of a boy she liked.
She carved it 3 feet off the ground. As a high school senior, she comes back
and sees the heart. How far off the ground is the heart now? Justify your
answer.
Chapter 32
3. What are root hairs? What is their function?
4. If a plant had a defect that kept it from producing root hairs, how would
this effect the fitness of the plant?
5. Explain how active and passive transport are involved in root pressure.
Active:
Passive:
6. The transpiration-cohesion-tension mechanism describes the primary way
water is transported through xylem. Explain how each of the following is
important in this process.
Its importance
Cohesion of water
Trachids and Vessel
Elements are lined with
hydrophilic cellulose and
have pits that increase
surface area
Adhesion
Stomata
Transpiration
7. To remember how water travels through plants, you can remember that
plants drink water through a straw.
a. How is xylem like a straw?
b. How is the transpiration-cohesion-tension mechanism similar to the
method people use to drink through a straw?
8. Will each of these speed up or slow down the rate of transpiration? Justify
your answer.
Environmental condition ↑ or ↓
Justification
Heat
Humidity
Windy
Dark
9. Plants often pair active and passive transport to get a final effect. This is
the case in the opening and closing of stomata. For the picture below, label the
arrows with what happens to make the guard cells open and close the stomata.
Be sure to distinguish what is being actively transported and what is being
passively transported.
10. Xylem sap always moves up, but phloem sap always moves from the
____________________________ to the ____________________________.
11. In a summer with long sunny days, where would the source be in a plant?
What would 2 sinks be? In the spring when a tulip is starting to emerge from
the ground, where is its source and where is its sink?
Season
Source
Sink
1.
Summer
2.
Spring
12. Describe the active and passive transport at the source and at the sink
that causes pressure flow through the phloem. For each type of transport,
what is moving and where is it coming from and going to?
At the Source
At the Sink
Active
transport
Active
transport
causes
Passive
Transport
causes
Passive
Transport
13. For each of the following mutualistic relationships, explain the benefit to
the plant and the benefit to the other organism.
Other organism
Benefit to other
Relationship
Benefit to plant
Involved
organism
Mycorrhizae
Nodules on the
roots of Legumes
Chapter 33
14. Fill in the following table about major categories of plant hormones.
Way to
Other Key
Type of Hormone
Functions
Remember
information
Apical
Dominance,
Phototropism,
Gravitotropism,
Cell Elongation
Stimulates cell
division
Cell division is
Cytokinesis
Germination
Their name and
Germination start
with G
Inhibits growth,
closes stoma,
keeps dormant,
stress hormone
Fruit ripening
Only hormone
that is a gas
15. Explain how gibberellins show negative feedback.
16. Explain how ethylene is an example of a positive feedback loop.
17. Plants respond to stimuli like all other living things. Fill in the following
table about 2 ways plants respond t stimuli
Tropism
Describe it
How does this happen?
Phototropism
Gravitropism
18. Tulips are some of the first flowers to bloom in the spring and monk's hood
is a flower that does not bloom until September. Answer the following about
each of these examples.
How does a flash of
Environmental
Is it a short day or a
light in the middle of
Example
stimulus that
long day plant?
the night affect
triggers flowering
flowering?
Tulip
Monk's
Hood