http://www.rapidtables.com/convert/energy/kcal-to-kj.htm
http://www.ehow.com/info_8732158_trophic-levels-rain-forests.html
http://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa#Effects
http://www.universetoday.com/77111/why-do-volcanoes-erupt/
http://www.google.com/imgres?um=1&hl=en&sa=N&tbo=d&biw=1192&bih=702&tbm=isch&tbnid=xzvyh3liNQF43M:&imgrefurl=http://www.cfkeep.org/html/stitch.php%3Fs%3D98965698293378%26id%3D34347859802049&docid=8DCUGSkZTUcBdM&imgurl=http://www.cfkeep.org/html/phpThumb.php%253Fsrc%253D/uploads/ecolevels.gif%2526aoe%253D1%2526w%253D&w=439&h=314&ei=K8fPUPn-G-bDyAHJ_4Bo&zoom=1&iact=rc&dur=331&sig=116132613923323939286&page=1&tbnh=148&tbnw=207&&ndsp=27&ved=1t:429,r:2,s:0,i:97&tx=79&ty=57
http://www.bfr2013.com/abstract_download/2010/upload/90020.pdf
http://www.buzzle.com/articles/tropical-rainforests-energy-pyramid.html
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/rainforest/rainforest.html
http://answers.yahoo.com/question/index?qid=20120826090634AAGIHMY
http://web.uvic.ca/~gapi/results/browse/indonesia.html
http://en.wikipedia.org/wiki/Ecological_pyramid
http://marinebio.org/oceans/trophic-structure.asp#.UM_O1onjlOA
http://en.wikipedia.org/wiki/Trophic_level
http://www.world-builders.org/worlds/planets_03/kronos/kh10b_files/landenergypyr.gif
http://www.world-builders.org/worlds/planets_03/kronos/kh10b.htm
http://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa#Effects
http://info.rforests.tripod.com/abiotic_factors.htm
http://volcanoes.usgs.gov/hazards/gas/index.php
http://en.wikipedia.org/wiki/Substrate_(biology)
http://volcanoes.usgs.gov/hazards/gas/climate.php
http://www.ehow.com/about_4672834_carbon-important-life.html
http://wiki.answers.com/Q/Why_is_carbon_important
http://en.wikipedia.org/wiki/Water_cycle
http://answers.yahoo.com/question/index?qid=20080118173506AAWKOGV
http://ga.water.usgs.gov/edu/watercycle.html
http://en.wikipedia.org/wiki/Phosphorus_cycle
http://www.lenntech.com/phosphorus-cycle.htm
http://www.elmhurst.edu/~chm/vchembook/308phosphorus.html
http://www.enviroliteracy.org/article.php/480.html
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/N/NitrogenCycle.html
http://en.wikipedia.org/wiki/Nitrogen_cycle
http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/nitrogencycle.html
http://en.wikipedia.org/wiki/Ecological_succession
http://marinebio.org/oceans/trophic-structure.asp#.UM_pNonjlOA
http://en.wikipedia.org/wiki/Trophic_level
http://web.uvic.ca/~gapi/results/browse/indonesia.html
http://en.wikipedia.org/wiki/Ecological_pyramid
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/rainforest/rainforest.html
http://ran.org/indonesia%E2%80%99s-rainforests-biodiversity-and-endangered-species
http://www.tigertrust.info/sumatran_tiger_tiger.asp
http://answers.yahoo.com/question/index?qid=20090204165433AAsa3ze
http://en.wikipedia.org/wiki/Sumatran_tiger
http://www.tigersincrisis.com/sumatran_tiger.htm
http://lion_roar.tripod.com/SumatranTiger.html
http://www.ehow.com/info_8082290_types-tropical-rain-forest-herbivores.html
http://beheco.oxfordjournals.org/content/17/3/479.full
http://answers.yahoo.com/question/index?qid=20100422211356AA680rX
http://www.marietta.edu/~biol/biomes/competition.htm
http://www.ehow.com/list_6679573_animals-show-commensalism-rain-forest_.html
http://wiki.answers.com/Q/What_is_an_example_of_commensalism_in_the_rainforest
http://lo2fosho.blogspot.com/2011/01/predators-of-tropical-rainforest.html
http://answers.yahoo.com/question/index?qid=20110526165342AA9sCYR
http://www.ehow.com/info_8732158_trophic-levels-rain-forests.html
http://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa#Effects
http://www.universetoday.com/77111/why-do-volcanoes-erupt/
http://www.google.com/imgres?um=1&hl=en&sa=N&tbo=d&biw=1192&bih=702&tbm=isch&tbnid=xzvyh3liNQF43M:&imgrefurl=http://www.cfkeep.org/html/stitch.php%3Fs%3D98965698293378%26id%3D34347859802049&docid=8DCUGSkZTUcBdM&imgurl=http://www.cfkeep.org/html/phpThumb.php%253Fsrc%253D/uploads/ecolevels.gif%2526aoe%253D1%2526w%253D&w=439&h=314&ei=K8fPUPn-G-bDyAHJ_4Bo&zoom=1&iact=rc&dur=331&sig=116132613923323939286&page=1&tbnh=148&tbnw=207&&ndsp=27&ved=1t:429,r:2,s:0,i:97&tx=79&ty=57
http://www.bfr2013.com/abstract_download/2010/upload/90020.pdf
http://www.buzzle.com/articles/tropical-rainforests-energy-pyramid.html
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/rainforest/rainforest.html
http://answers.yahoo.com/question/index?qid=20120826090634AAGIHMY
http://web.uvic.ca/~gapi/results/browse/indonesia.html
http://en.wikipedia.org/wiki/Ecological_pyramid
http://marinebio.org/oceans/trophic-structure.asp#.UM_O1onjlOA
http://en.wikipedia.org/wiki/Trophic_level
http://www.world-builders.org/worlds/planets_03/kronos/kh10b_files/landenergypyr.gif
http://www.world-builders.org/worlds/planets_03/kronos/kh10b.htm
http://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa#Effects
http://info.rforests.tripod.com/abiotic_factors.htm
http://volcanoes.usgs.gov/hazards/gas/index.php
http://en.wikipedia.org/wiki/Substrate_(biology)
http://volcanoes.usgs.gov/hazards/gas/climate.php
http://www.ehow.com/about_4672834_carbon-important-life.html
http://wiki.answers.com/Q/Why_is_carbon_important
http://en.wikipedia.org/wiki/Water_cycle
http://answers.yahoo.com/question/index?qid=20080118173506AAWKOGV
http://ga.water.usgs.gov/edu/watercycle.html
http://en.wikipedia.org/wiki/Phosphorus_cycle
http://www.lenntech.com/phosphorus-cycle.htm
http://www.elmhurst.edu/~chm/vchembook/308phosphorus.html
http://www.enviroliteracy.org/article.php/480.html
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/N/NitrogenCycle.html
http://en.wikipedia.org/wiki/Nitrogen_cycle
http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/nitrogencycle.html
http://en.wikipedia.org/wiki/Ecological_succession
http://marinebio.org/oceans/trophic-structure.asp#.UM_pNonjlOA
http://en.wikipedia.org/wiki/Trophic_level
http://web.uvic.ca/~gapi/results/browse/indonesia.html
http://en.wikipedia.org/wiki/Ecological_pyramid
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/rainforest/rainforest.html
http://ran.org/indonesia%E2%80%99s-rainforests-biodiversity-and-endangered-species
http://www.tigertrust.info/sumatran_tiger_tiger.asp
http://answers.yahoo.com/question/index?qid=20090204165433AAsa3ze
http://en.wikipedia.org/wiki/Sumatran_tiger
http://www.tigersincrisis.com/sumatran_tiger.htm
http://lion_roar.tripod.com/SumatranTiger.html
http://www.ehow.com/info_8082290_types-tropical-rain-forest-herbivores.html
http://beheco.oxfordjournals.org/content/17/3/479.full
http://answers.yahoo.com/question/index?qid=20100422211356AA680rX
http://www.marietta.edu/~biol/biomes/competition.htm
http://www.ehow.com/list_6679573_animals-show-commensalism-rain-forest_.html
http://wiki.answers.com/Q/What_is_an_example_of_commensalism_in_the_rainforest
http://lo2fosho.blogspot.com/2011/01/predators-of-tropical-rainforest.html
http://answers.yahoo.com/question/index?qid=20110526165342AA9sCYR