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Biology Exam 4
Plants and Animals
85
Biology
Undergraduate 2
04/15/2014

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Cards

Term
What are 6 characteristics of plants?
Definition

-multicellular

-eukaryotic

-photosynthesis (autotrophic)

-descended from protists

-cell wall

-sotmata

Term
What is a cell wall made of?
Definition
cellulose
Term
what is photosynthesis?
Definition
captures sun energy to make sugars into food
Term
What is a stomata?
Definition
Pores that regulate gas exchange
Term
what goes in and out of a stomata?
Definition
co2 (carbon dioxide) goes in, and releases oxygen
Term
What is the importance of plants? (9 things)
Definition

-beauty

-energy

-oxygen

-supports terrestrial "web of life"

-fiber (clothing)

-building material

-fuel

-medicines

-responsible for diversity of other organisms

Term
What percent of prescription drugs have natural components? (largely plant based)
Definition
50%
Term
What does terrestrial mean?
Definition
land living
Term
How do plants provide energy to the planet?
Definition
we derive energy from our food
Term
How do plants provide oxygen?
Definition
they release oxygen
Term
What type of fiber (clothing) do we derive from plants?
Definition

-cotton

-hemp

Term
How do plants provide building material?
Definition

-wood from trees

-bamboo

Term
How do plants provide fuel?
Definition

-charcoal from trees

-ethenol from corn and sugar

-wood for fire

Term
What percent of the world still heats and cooks with wood?
Definition
50%
Term
What are the 5 plants that are a source for a medical drug?
Definition

-rosy periwinkle

-aloe

-foxglove

-willow

-pacific yew

Term
What drug is rosy periwinkle the source of?
Definition

-vinblastine

-vinchristine

 

Term
What is vinblastine and vinchristine used to treat?
Definition

-childhood leukemia

-99% cure rate

 

Term
What drug is the plant aloe the source of?
Definition
aloe vera
Term
What is aloe vera used for?
Definition
-treat burns and skin conditions (dry skin)
Term
What drug is the plant foxglove the source of?
Definition
digitalis
Term
What is the drug digitalis used for?
Definition
heart health
Term
What drug is the plant willow the source of?
Definition
aspirin
Term
What drug is the plant pacific yew the source of?
Definition
tamoxifin
Term
What is the drug tamoxifin used for?
Definition
to cure breast cancer
Term
What part of the plant pacific yew is used as medicine?
Definition
the bark
Term
What is an amozonian shaman?
Definition
person who collects a bunch of plants then takes them down to a river and beats the plants on top of the water and then fish come to the top of the water.
Term

Plants appeared on land ______ ago.

 

Definition
450 million years ago
Term
Plants represent some of the first ______.
Definition
terrestrial organisms
Term
Bryophytes are ______ plants.
Definition
nonvascular
Term
Novascular=__________
Definition
lacking vascular tissue
Term
What are 3 characteristics of nonvascular plants?
Definition

-no conduction tissue (vascular)

-small in size

-less diverse group

Term
Trachophytes are ___ plants.
Definition
vascular
Term
What are 3 characteristics of a vascular plant?
Definition

-tissues that conduct water and nutrients

-allows for larger growth

-more diverse group

Term
What are 4 advantages to terrestrial living?
Definition

-more light availabel (unfiltered by water)

-more reliable supply of nutrients (more concentrated in soil)

-more co2 available (more concentrated in air than in water)

-ability to inhabit land dependent on certain "adaptations"

Term
Certain ___ are necessary.
Definition
Adaptations
Term
Evolution and adaptations to land are dependent upon (4 things)
Definition

-waxy cuticle

-ability to absorb and distribute water and nutrients

-fertilization without water

-ability to support weight

Term
Plants are good for fresh air in your home because ____.
Definition
They break down air pollutants
Term
What are 4 types of air pollutants that could be in anyone's home?
Definition

-allergens

-compounds from paint on walls

-carpet releases toxins

-smoking

Term
Plant diversification fostered ___ diversification.
Definition
animal
Term
Why didn't terrestrial organisms exist sooner? (2 reasons)
Definition

-lack of ozone layer

-most O2 are a result of photosynthetic aquatic prokaryotes, with enough O2 to create an ozone layer in the atmosphere...terrestrial magic!

Term
Mosses and liverwarts are examples of ____
Definition
bryophytes
Term
Bryophytes are ___ in size.
Definition
small
Term
Bryophytes are small because they _____.
Definition
lack vascular tissue.
Term
Bryophytes have no true ___,___,or____.
Definition
roots, stems, or leaves
Term
____ attach bryophyes to soil.
Definition
rhizoids
Term
Bryophytes crowd to ___.
Definition
retain water
Term
In bryophytes, all plant parts are ____.
Definition
absorbant
Term
Bryophytes ____ hard surfaces.
Definition
colonize
Term
Bryophytes grow in ____ areas.
Definition
shady, moist
Term
Bryophytes prevent ___.
Definition
soil erosion
Term
What are the 2 uses of peat moss?
Definition

-Dried and used as fuel

-used in potting soil

Term
True or False-tracheophytes contains seeds.
Definition
true
Term
Tracheophytes are more ____ and ____ than bryophytes.
Definition
diverse and numerous
Term
Tracheophytes transport system no longer ____.
Definition
depends on moisture to move gametes
Term
What are 2 characteristics of xylem?
Definition

-walls of dead cells (xylem tissue)

-carries water and minerals from roots to leaves

Term
Waht are 2 characteristics of phloem?
Definition

-living cells

-carries sugars made in leaves to other plant parts

Term
What are the 6 specialized structures of a plant?
Definition

-roots

-stems

-leaves

-flovers

-fruits

-seeds

Term
What is the job of the roots?
Definition
Transporting water and attachment to soil
Term
What is the job of the stem?
Definition
Tubular network system to transport water and nutrients
Term
What is the job of leaves?
Definition
Primary site for photosynthesis
Term
What is the job for flowers?
Definition
Reproductive structures
Term
What is the job of fruits?
Definition
Dispersal structures
Term
What is the job os seeds?
Definition
babies
Term
Ferns are an example of ______.
Definition
seedless vascular plants OR seedless tracheophytes
Term
What are 5 characteristics of ferns?
Definition

-small to large in size

-damp, shady locations

-many tropical

-leaves called "fronds"

-coiled new leaves called "fiddleheads"

Term
The plant that looks like baby bamboo is called _____.
Definition
horsetails
Term
What is equisetum?
Definition
Horsetails single living genus
Term
The plant horsetail requires a ___ environment?
Definition
moist
Term
Horsetails have ___, not leaves.
Definition
Jointed photosynthesis stems.
Term
Horsetails often live in ___ areas.
Definition
shady
Term
Horsetails cell walls contain ___.
Definition
cilica
Term
The 2 divisions of plants with seeds are: ___and___.
Definition
gymnosperms and angiosperms
Term
gymnosperm or angiosperm-seeds and plants without flowers or fruits.
Definition
gymnosperm
Term
Gymnosperm or angiosperm-most abundant and widespread
Definition
angiosperm
Term
Gymnosperm or angiosperm-evidence supports that they appeared later in fossil record (most recently introduced)
Definition
angiosperm
Term
Gymnosperm of angiosperm-include conifers (evergreens), cycads, and gignkos
Definition
gymnosperm
Term
Gymnosperm or angiosperm-seed plants with flowers and fruits
Definition
angiosperm
Term
Gymnosperm or angiosperm-extremely diverse group-most diverse group on planet
Definition
angiosperm
Term
Gymnosperm or angiosperm-began to dominate as earth dried out
Definition
gymnosperm
Term
Production of seeds mean ____.
Definition
it doesn't need water anymore
Term
Seeds are produced through ____.
Definition
internal fertilization
Term
Waht 3 things does a seed contain?
Definition

-diploid embryo

-food reserve

-protective coating (seed coat)

Term
What 4 things does the protective coating of a seed do?
Definition

-protects embryo

-protects against predation

-eliminates need for wet environment

-enables colonization of dry environments through germination

Term
Waht is germination?
Definition
Resume growth and dormancy with light and water
Term
What is the evolutionary history of plants?
Definition

-bryophytes

-seedless tracheophytes

-gymnosperms

-angiosperms

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