Natural Resources AHS Agriculture. Warm up SLM and KUD.
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Transcript of Natural Resources AHS Agriculture. Warm up SLM and KUD.
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Natural Resources
AHS Agriculture
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Warm up
SLM and KUD
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Natural Resources
How do humans use natural resources?
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Natural Resources
Oil-gasoline/heatForest- heating/cooking/buildingSoilFish & wildlifeMetals & mineralsRecreational resources
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Nonexhaustible Resources
Resources that can last forever regardless of human activity
Human misuse can damageSurface water
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Renewable Resources
Resources that reproduce themselves or can be reproduced by humans
Does not mean it will not be used up
Forest
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Exhaustible Resources
Resources that cannot be replaced or reproduced
Once gone, gone foreverOilCoalSoil
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Activity
Make a chart to compare/contrast inexhaustible with exhaustible resources, give 5 examples of each
10 minutes
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Interdependent Relationships
The dependency of one thing to others
1- human/animal & plants, plants dependent to humans- supply plants sufficient carbon dioxide
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Interdependent Relationships
2- human/animal & plants- humans dependent on plants- plants give us food, vegetables, & medicines
Other examples??
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Communities in NatureForests, roads, meadows,
swamps, bee hives, towns, cities, etc
When 2 different communities meet & blend, this forms an ecotone
EX- forest meets low-growing plants
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Communities in NatureIdentify communities assigned &
explain their specific interaction.15 minutesOutside observation- observe an
ecotone- explain in detail what you saw.
30 minutes
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Natural Resources
AHS Agriculture
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Warm-upWhat affects population
ecology?
List 3 important local & global environmental issues.
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Lesson Essential QuestionHow can we determine the
maximum population for earth?
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Population Ecology
The study of populations & how they change over time
What affects population ecology?
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Population Ecology
What affects population ecology?Lack of resourcesPrey to another speciesNatural disasters
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Population Ecology
Carrying capacity- maximum population an area can hold/supply
Density dependent- as reach carrying capacity, overcrowding = less resources & results in decreased birth rate
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Population Ecology
Density independent- some populations grow exponentially with no end
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To calculate human populationRead through the articleanswer the questions
following30 minutesReview as class
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Top Environmental Issue
OverpopulationFrom list- which are direct or
indirect result of overpopulation?
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Sustainability
“the simple principle of taking from the earth only what it can provide indefinately, thus leaving future generations no less than we have access to ourselves.” – Friends of the Earth
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Sustainability
Involves living within limits of resources, understanding connections among economy, society and environment, and equitable distribution of resources and opportunities
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Factors that may modify birth/death rates
Age structure of population
TFRHealth careEducationWar/political
uphevalClimate
JobsStandard of livingImmigration/
emigrationDevelopment &
industrializationdisease
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Practice
Complete the activity using the packets and information given
Turn in at the end of class
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Natural Resources
AHS Agriculture
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Warm-up
What are the factors that affect population growth?
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Lesson essential question
How do the different biomes differ?
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Biomes
Compare & contrast assigned biomes
Make script and find video/pictures
Present research in a video form 30 minutes
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Biomes
ArcticAntarcticTundraGrasslands Marine
DesertConiferous
forestDeciduous
forestFreshwater
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Natural Resources
AHS Agriculture
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Warm-up
What is a biome?
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Lesson Essential Question
What is found in an ecosystem?
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Ecosystem Diversity
Consists of biotic (living) & abiotic (nonliving) subsystems
Biotic subsystem- relationship among plant & animal members of a food web
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Ecosystem Diversity
Abiotic subsystem- water of a lake & the chemicals that dissolve from the atmosphere & land that affect the waters acidity level
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Ecosystem Diversity
Everything on earth is part of one or more ecosystems
Choose ecosystem-make list of biotic species found in that specific ecosystem
10 minutes
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Ecosystem Diversity
Classroom terrariumsObserve 3 times a week,
observe changes
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Natural Resources
AHS Agriculture
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Warm-up
Why do we recycle?
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Lesson Essential Question
Why is recycling important?
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Impact of Recycling
We do not recycle to save trees
Why is recycling important?
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Impact of Recycling
Cost of solid waste disposalRecycling saves energy,
creates jobs, & generates revenue for us
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Impact of Recycling
56,000 recycling centers employ 1.1 million Americans & generate $37 billion in payroll, Gross $236 billion in revenue
Energy needed to recycle aluminum can only 5% as much then from raw ore
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Impact of Recycling
Nonrenewable resources important to reuse as much as possible as they will not always be available
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Methods of Recycling
PaperE-wasteMineral Re-usePlastic
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Research
Answer the questions on the worksheet about each method of recycling. 15 minutes.
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Methods of Recycling
Paper – lets recycle!
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Methods of Recycling
Any new methods?
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Natural Resources
AHS Agriculture
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Warm-up
What method of recycling was most effective?
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Lesson Essential Question
Why are conservation & preservation important?
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Conservation
Conservationists believe in using nature to produce the maximum long-range benefit for people
Conservation does not set aside resources simply to have them
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Conservation
Oriented toward practical use for today & for the future
Bring to mind sentimental thoughts of nature & beauty, but true test for conservation is whether society benefits from its undertakings
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Preservation
Some things worth having & guarding just for their own sakeLiberty Bell, Grand Canyon,
American Bald Eagle
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Preservation
Heirlooms of our heritage should be preserved, because we, as people, value them. No other reason needed.
National Park ServiceMust balance desire for
preservation w/needs as people
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Preservation
Questions to ask when trying to preserve a natural area: Can we use such resources
without destroying them, as we can with forests?
Can we afford to set aside such resources?
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Preservation
Questions to ask when trying to preserve a natural area: Which is more important,
economic growth or the preservation of nature?
Others specifically based
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To calculate wildlife population
Very hard to calculate exact # of populations
Wildlife managers take estimates 4 times a year- during breeding, after young born, before hunting/trapping, and after hunting/trapping season
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To calculate wildlife population
4 approaches to estimate wildlife population
Create Graphic organizer to compare/contrast methods
Which method most efficient?Which method best estimate?20 minutes
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Review for test
Work on review sheetTest tomorrow!