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1Abiotic Factors Affect Organisms
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2Current World Population
According to the United Nations, ("2010 Revision of the World Population Prospects") world population has reached 7 Billion on October 31, 2011 (refer to the U.N. frequently asked questions for more information about this estimate) The US Census Bureau made a lower estimate, for which the 7 billion mark was only reached on March 12, 2012
http://www.worldometers.info/world-population/
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3Energy Pyramid
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4Pyramid of Numbers and Biomass
http://sciencebitz.com/?page_id=32
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5Productivity of Different Ecosystems
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6Energy Flow in an Ecosystem
Only 15 percent of the energy stored in this leaf will be converted to new caterpillar biomass through growth of new tissue. (The caterpillar converts slightly more energy to biomass than the average 10 percent.)
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7Food Chains and Food Webs (slide show)
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8The Water Cycle
http://earthguide.ucsd.edu/earthguide/diagrams/watercycle/
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9The Carbon Cycle and The Greenhouse Effect (animation)
http://www.sumanasinc.com/webcontent/animations/content/globalcarboncycle.html
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10The Phosphorus Cycle (animation)
http://www.sumanasinc.com/webcontent/animations/content/phosphorouscycle.html
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11Nitrogen Cycle (animation)
http://www.mhhe.com/biosci/genbio/tlw3/eBridge/Chp29/animations/ch29/1_nitrogen_cycle.swf
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12Heat Capacity of the Ocean (Demo)
http://www.jpl.nasa.gov/video/index.cfm?id=827
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13Succession in Plants
Succession of plant species on abandoned fields in North Carolina. Pioneer species consist of a variety of annual plants. This successional stage is then followed by communities of perennials and grasses, shrubs, softwood trees and shrubs, and finally hardwood trees and shrubs. This succession takes about 120 years to go from the pioneer stage to the climax community.
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14Biomes for Kids
http://kids.nceas.ucsb.edu/biomes/index.html
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15Competition between Species (Competitive Exclusion Principle)
http://www.sci.sdsu.edu/classes/bio100/Lectures/Lect21/lect21.html
http://www.saburchill.com/IBbiology/chapters02/035.html
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16World Population
http://www.intmath.com/exponential-logarithmic-functions/world-population-live.php
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17Biomes of the World
http://www.mbgnet.net/
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18World's Most Populous Countries
http://www.worldatlas.com/aatlas/populations/ctypopls.htm
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19Human Population Through Time
http://www.globalchange.umich.edu/globalchange2/current/lectures/human_pop/human_pop.html
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20Exponential vs Logistic Population Growth
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21Predator vs Prey Graph
This graph shows how predator and prey populations oscillate together.
http://denalibiomeproject.wikispaces.com/file/view/lynx-hare.jpg/73213523/lynx-hare.jpg
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22The World at 7 Billion (PRB Interactive Map)
http://www.prb.org/Publications/Datasheets/2011/world-population-data-sheet/world-map.aspx#/map/population
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23Age Structure Diagrams
http://www.algebralab.org/img/fba2228e-1ba1-47a7-b6a2-8e9399ad21c5.gif
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24Population Pyramids- see the Age Structure Diagram of Any Country
http://populationpyramid.net/WORLD/1965/
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25Demographic Transition (Graph)
http://www.uwmc.uwc.edu/geography/demotrans/stagesII.gif
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26Populations Case Studies
http://www.worldbank.org/depweb/english/modules/cases.html
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27Be a Demographer (Nova Interactive)
http://www.pbs.org/wgbh/nova/earth/demographic-data.html
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28Issues in Biodiversity (Articles)
http://www.actionbioscience.org/biodiversity/
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29Environmental Resources (Articles)
http://www.actionbioscience.org/environment/
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30Water Footprint Online Calculator (National Geographic)
http://environment.nationalgeographic.com/environment/freshwater/water-footprint-calculator
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31Mr. G's Environmental Systems (good reference site for all topics in Ecology)
http://sciencebitz.com/?page_id=21
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32Ecology.com (the name says it all!)
http://www.ecology.com/
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33Don't Sell the Right to Pollute (Editorial on Cap and Trade in California)
http://www.ecology.com/2011/09/11/dont-sell-pollute/
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34Endangered Species
http://www.earthsendangered.com/
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35Ecology Videos
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36Make Your Own Food Web
http://www.gould.edu.au/foodwebs/kids_web.htm
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37Marine Ecology - The Effects of Human Actions (National Geographic)
http://education.nationalgeographic.com/education/activity/an-imbalance-in-our-ocean/?ar_a=1
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38Fertilized World (National Geographic)
This article discusses the dangers of Fertilizer use.
http://ngm.nationalgeographic.com/2013/05/fertilized-world/charles-text
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39Trophic Levels
http://www.sciencelearn.org.nz/Contexts/Life-in-the-Sea/Sci-Media/Images/Marine-trophic-pyramid
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40EPA site for PSA video project
http://www2.epa.gov/science-and-technology
