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Chapter #19

Chapter #19. Using Natural Resources. Chapter 19.1 Notes. Ecosystem all of the living and nonliving things in a certain place. (Forest) Community- (Living things) all of the animals and plants living in one area within an ecosystem.

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Chapter #19

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  1. Chapter #19 Using Natural Resources

  2. Chapter 19.1 Notes • Ecosystem all of the living and nonliving things in a certain place. (Forest) • Community- (Living things) all of the animals and plants living in one area within an ecosystem. • Population- one specific type of living thing. (Maple Trees)

  3. Succession is the gradual repopulation of a community by different species over a period of time.

  4. Changes to ecosystem by humans can be positive or negative. • The deforestation of the rain forest • Building Dams • Bringing to the US new plants and animals

  5. Chapter 19.2 • Fossilfuels- are any fuels formed from the remains of ancient plant and animal life • Nonrenewable resources- any resources that are used faster than they can be replaced. Estimated that gas will run out in 2045, oil 2055, coal 2295. Coal Oil Gasoline Natural gas

  6. Renewableresources-any resources that can be continually replaced. • Sun • Wind • Water • Geothermal

  7. Alternative Energy Sources Solar Windmills Water in Dams Nuclear Energy Geothermalenergy- the energy drawn from heated water within Earth’s crust.

  8. Chapter 19.3 Notes • Pollution- the contamination of the air, water, or soil (land). • Globalwarming- an increase in earth’s temperature due to an increase in greenhouse gases • Eutrophication- an increase in the amount of nutrients, such as nitrates, in the environment

  9. Recycling- the process of breaking down discarded material for reuse in other products

  10. Work Cited “Reef”. March 20, 2008. http://content.answers.com/main/content/wp/en-commons/3/32/Nwhi_-_French_Frigate_Shoals_reef_-_many_fish.jpg “Ecosystem-Population”. March 20, 2008. http://www.nature.com/nrg/journal/v7/n7/images/nrg1877-i1.jpg “Succession”. March 20, 2008. http://www.physicalgeography.net/fundamentals/images/succession.gif “Deforestation Pie Graph”. March 20, 2008 http://www.mongabay.com/images/rainforests/deforestation-in-the-amazon.jpg “Zebra Mussels”. March 20, 2008. http://fwp.mt.gov/content/2779,200,0.jpg “Deforestation”. March 20, 2008. http://www.blog.thesietch.org/wp-content/uploads/2007/10/amazon_deforestation.jpg “Alternative Energy”. March 25, 2008. http://www1.istockphoto.com/file_thumbview_approve/4032984/2/istockphoto_4032984_alternative_energy.jpg

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