95 terms

Life Science Chapter 10 Review

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positive tropism
growth or movement towards
negative tropism
growth or movement away from
nastic movement
reversible, repeatable plant movements such as flowers opening in the morning and closing at night
phytochromes
plant pigments which control photoperiodsim
turgor pressure
changes in amount of water in a plant cause some nastic movements
short-day plants requirements
short days, long nights
long-day plants requirements
long days, short nights
day-neutral plants requirements
moisture and temperature but light does not matter
tropism
The growth of plants in response to external stimuli in its environment such as light (phototropism), gravity (gravitropism), and touch (thigmotropism).
phototropism
The growth and movement of a plant part in response to light.
thigmotropism
The growth and movement of a plant part in response to touch.
gravitropism
The growth and movement of a plant part in response to gravity.
photoperiodism
The response of a plant to changes in the length of time of light and dark periods.
Growth response to light?
Phototropism
growth response to gravity?
gravitropism
Growth response to touch?
thigmotropism
The closing of the Venus flytrap when an insect enters it is an example of a ___________ _________
Nastic movement
(True or false) the blooming of day-neutral plant's does not depend on the length of light and dark periods.
True
(True or false) the brightness of the light- not the length of the light period- is most important in causing flowers to bloom.
False
The nastic movements seen in some plant's are the result of changes in _______________
Turgor Pressure
The plant pigments that control photoperiodism are called ________________
Phytochromes
Grapevine tendrils will grow around wires or stalks near them is an example of (positive/ negative) (thigmotropism/ gravitropism)
Positive, thigmotropism
Homework growth of route is an example of (Positive/ negative) (gravitropism/ phototropism)
Positive, gravitropism
Plants are __________ which means they make their own food.
Producers
Plants are ___karyotic organisms.
Eu
Plants must have ___________ tissues (xylem, phloem)
Organized
Plants have ___________ which an example of ___________ is chloroplasts.
Plastids
Plants have ________ ____________ containing Cellulose
Cell Walls
Where are veins noticeable on the leaf.
Blade
What is one type of venation
Palmate venation
What is the 2nd type of ventaion
Pinnate venation
What is the 3rd type of venation
Parallel venation
What is a region where a leaf is or was attached.
Node
What plant structure has nodes
Stem
What is the part of the plant between the node and the blade
Petiole
Which plant structure has petioles
Leave
What is the function of the stem
Produce leaves and carry substances
What is the hard type of stem?
Woody
What is an example of a woody stem
Tree
What is the soft type of stem?
Herbaceous
What is an example of a herbaceous stem?
Dandelion
What makes up an annual ring?
Spring wood and summer wood
What is the job of turgor pressure and cell walls
To support the plant
What are cell walls made of
Cellulose
What do chloroplasts do?
Convert the sun's light into energy
What do chloroplasts contain
Chlorophyll
Is chlorophyll always green?
No
Carries water from the roots to upstem leaves is the function of what?
Xylem
Carries sugar solution from leaves to the plant is the function of what
Phloem
The __________ is located on the outermost tissue of the leaves young roots and young stems
Epidermis
What makes up bark
Phloem, cortex, cork cambium, cork
What types of cells does vascular cambium produce
Xylem, Ploem
What is the function of the Epidermis?
Prevent water loss
What is the function of fibers?
Provide support
Groups of cells that specialize in one particular function
Plant tissues
What is turgor pressure caused by
The presence of water
What anchors the plant, absorbs water and minerals, and has no nodes
Roots
What produces leaves, carries substances, and has nodes
Stems
What has no nodes, has blades, has veins, and has arrangements?
Leaves
What is the 1st type of leaf arrangement?
Alternate
What is the 2nd type of leaf arrangement?
Opposite
What is the 3rd type of leaf arrangement?
Whirled
What is the long root that has an example of it as a carrot?
Taproot
What is the short root that has an example of it as grass?
Fibrous
Other than supporting the leaf what function does a petiole serve
Transportation system
What special extensions of a root's epidermal cells help absorb water and minerals?
root hairs
water enters the root by
osmosis
what are the openings and special epidermal cells that allow transpiration to occur
Stomata= opening
Guard cells = special epidermal cells
What plant organ carries on transpiration?
xylem
What are three ways a plant my exchange gases?
Stomata, Lenticels , thin coverings of the roots
Gas exchange in the green part happens in
Green part= Stomata woody part= lenticels underground part of plant= thin coverings of the roots
gas exchange in the woody part happens in the--
woody part= lenticels
gas exchange in the underground part happens in the==
underground part of plant= thin coverings of the roots
The greatest amount of chlorophyll is found in what part of the leaves?
palisade layer
List 2 materials other than sugar that a plant may use to store energy
starch and lipids
What is the general name for chemicals that plants produce to control their own growth.
hormones
Transpiration
The loss of water through a plant's stomata
Stomata
Structures that allow gases to exchange in leaves.
Lenticels
structures that allow gases to exchange in stems
palisade
Photosynthesis takes place in the _________________ layer of the leave
using their guard cells that open and close
Plants regulate the loss of water through the stomata by
root hair - xylem - spongy layer - stoma
The path of water in a plant:
Hormones
chemicals that the plant produces, which helps the plant grow
True
True or False: The anatomy and physiology of a plant are related to each other (You can't have one without the other.)
plants roots
Most of the plants water enters through the
growth
A plant's environment influences its
Epidermis
A tissue that serves as a protective covering in plants;the outer layer of tissue in humans and many animals.
herbaceous
...
Gravitropism
The growth and movement of a plant part in response to gravity.
Which is not a characteristic of most plants?
(a) possess tissues
(b) are eukaryotic
(c) possess plastids
(d) are consumers
Answer: D. Consumers
What type of stem is the softer and flexible type?
Herbaceous stems.
What is the flatter part of the leaf called?
The flat part of a leaf is called the blade.
Other than supporting a leaf on a stem, what function does a petiole serve?
The veins in the leaf blade converge and follow through the petiole to the stem.
What type of leaf arrangement is shown in the photo?
Palmate leaf
(True or False) One layer of heartwood plus one layer of sapwood forms one annual growth ring.
False