Slide # 2: Functions of Roots

Slide # 2: Functions of Roots

______& ______plant in ground
______water & minerals

3.Hold ______in place (reduce / prevent soil erosion)

Slide # 3: Types of Roots

1.Fibrous Roots: ______roots; hold soil in place

to prevent ______.EX: ______

2.Taproots: ______root reaches deep water

sources undergroundEX: ______

Slide # 4: The Structure of a Root

Root hairs: increase ______for ______and mineral absorption.
Meristems: region where new ______are ______
Root cap: ______tip of ______root

Slide # 5: Functions of Stems

______system for plant ______
______system; carries ______& ______
Holds ______& ______upright

Slide # 6: Functions of Leaves

Main ______organ
Broad, flat surface ______for______absorption.
Have systems to prevent ______.

a.Stomata: open in ______but close in ______or when ______& dry to conserve ______

b.waxy ______on surface of leaf

System of ______exchange; allows ______in and ______out of leaf.

Slide # 7 & 8 Leaf Structures

1.Cuticle: ______layer; ______upper surface

a.protects leaf against ______

2.Veins: transports ______, ______& food

a.Made of ______and ______

3.Mesophyll: contain cells that perform ______

b/c the cells contain ______

4.Guard cells: cells that ______& ______

the ______.

5.Stomata: ______in leaf’s surface; when open:

a.Gas exchange: allows ______in & ______out of leaf

b.Transpiration: allows excess ______out of the leaf

Slide # 9 - 10: Function of the Stomata and Function of the Guard Cells

1.What process involves using CO2 & H2O & releases O2 as a

waste product? ______

2.What is the plant using this process to make? ______

3.Why does water exit the stomata? ______

4.Stomata (leaf openings) naturally allow ______to ______out.

5.Why would plant close stomata with guard cells?

a.Prevent ______water loss through ______(conserve water)

6.Point of stomata? Allows for ______for ______.

Slide # 11 Plants find a Use for Transpiration

1.Transpiration: loss of ______from ______

2.Significance:

a.Transpiration causes enough pressure to help ______up stem from roots

b.As part of the ______, trees transpire water back into the ______

c.Transpiration provides much of the daily rain in ______.

d.Transpiration is the # 1 driving force for ______up ______from ______.

Slide # 12-16: Structure of a Flower

1.Pistil: ______reproductive structures:

a.Stigma: ______; traps ______

b.Style: slender tube; transports ______from ______to ______

c.Ovary: contains ______; develops into ______

d.Ovule: contains ______cell which develops into a ______at fertilization

2.Stamen: ______reproductive structures:

a.Filament: think stalk; supports ______

b.Anther: knob-like structure; produces ______

c.Pollen: contains microscopic cells that become ______cells

3.Sepals: encloses & ______before it blooms

4.Petals: usually ______& ______; attracts ______

Slide # 17: Cross Pollination – How does Pollination Happen???

1.Pollen from an ______is caught by the ______, travels through the ______to the ______in the ______.

2.What is the result of pollination? A ______: an ______containing ______.

Slide # 19: Hormone Action on Plants

1.Plant Cells can produce ______which are ______messengers that travel

throughout the plant causing other cells called ______cells to ______

2.In plants, hormones control:

a. ______& ______

b.______to the environment

c. ______

Slide # 20: Plant Cells Will Send Signals to one Another to Signal:

1.When tress to ______their ______.

2.When to start ______.

3.When to cause ______to ______.

4.When to cause ______to ______

5.When to cause ______to ______(germinate).

Slide # 21-22: Plant Hormones

1.Auxins- at ______of stems; ______in stem ______.

- Important for response to ______and ______.

2.Cytokinins- stimulates cell ______and ______of ______

(lateral branches).

3.Giberellins- produce dramatic ______in ______(mostly in ______and

______)

4. Ethylene- causes ______to ______; release in response to ______

-causes fruit to ______quickly

Slide # 23-24: Plant Tropisms

1.Tropism: the way a plant ______in ______to ______in the

environment.

a.Phototropism: growth response to ______(Plants ______towards light)

b.Gravitropism: growth response to ______

Plant ______grow ______with ______, stems grow ______against

gravity & out of the soil.

c.Thigmotropism: growth response to ______.

______grow up and ______trees; venus fly trap closes when leaves are touched

Slide # 25: Other Responses

1.______affect ______of the plant.

2.Rapid Responses- response to various ______(Venus Fly Trap)

3.Photoperiodism- seasonal ______and______

4. Winter Dormancy- growth/activity ______or ______(seals off ______, store nutrients in ______)

PLANT ADAPTATIONS (Slides 26-60)

Slide # 26-30: Aquatic Adaptations

Tolerate ______(nearly ______of ______)
______require a supply of ______
Roots may extend ______(Mangrove, Bald Cypress Tree)
Some have ______in tissues
Some ______on ______(water lillies)

Slide # 31: Salt Tolerant Plants

Highly ______or ______areas
Many ways to deal with the excess (Ex: Mangroves- live in shallow salt water)
______cells to ______out salt

Slide # 32-43: Desert Adaptations

______roots, ______leaves, or ______stems to ______water
Seeds may remain ______for years
Bulbs, tubers, or other ______that ______food (can also remain dormant)
With ______, plants mature, flower, and seed before the water______(from days to weeks).

Slide # 44-55: Nutritional Specialists

______do not have enough nutrients to ______plants (bogs, swamps, or acidic environments)
Developed ways to ______needed ______
Usually either ______(pitcher plant, flytraps, sundews) or ______(mistletoe)