10 ct webquest ho zi ming tan chun keat ong xian hao human impact on environment
TRANSCRIPT
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Human Impacts on the Environment
Name: Ho Zi Ming 201420016Tan Chun Keat 201420025Ong Xian Hao 201420004
Module: Foundation in Liberal Arts - Learning StudiesLecturer: Ms. Dot MacKenzieTerm : May 2014Date : 4/7/2014Topic : Presentation – Human Impact on the Environment
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Table of ContentsI IntroductionII Thesis StatementIII Body
A Plastic Pollution Effects on AnimalsB Endangered Sea Turtles
1 Plastic Pollution Effects on Animalsa Sea Turtles Mistake Rubbish for Food
b Nesting Habitats destroyed
IV ConclusionV References
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Thesis Statement
Sea turtles are endangered because they mistake rubbish for food and their nesting habitats are being destroyed.
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IntroductionPlastic Pollution• Plastic we throw away each year is enough to circle the earth four
times• 80 percent of plastic pollution enters the ocean from the land• 90 percent of trash floating on the ocean’s surface. (Hasselberger,
2014)
http://www.plasticoceans.net/the-facts/what-a-waste/
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Plastics Pollution on Animals• Plastics kill 1.5 million marine animals each year.• One million sea birds and 100, 000 marine mammals are
killed annually from plastics in the ocean.• A lot of sea animals and sea bird have been documented
with plastics in or around their bodies. (Hasselberger, 2014)
http://www.waterencyclopedia.com/images/wsci_03_img0428.jpg
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Endangered Sea Turtles
• Nearly all species of sea turtle considered endangered
• Face a lot of threats• Such as entanglement in fishing
gear, poaching and illegal trade of eggs, meat and shells, coastal development, global warming and ocean pollution.
• Especially plastic pollution. (Seeturtles, n.d.)
http://4.bp.blogspot.com/-DwPpl-nnhXU/T9gevFCbaaI/AAAAAAAAALU/lF1Kr-6_Fks/s1600/green-sea-turtle.jpg
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Plastic and Other Marine Debris
•Plastic is thrown away after use.
•E.g. toys, bottles, food containers.
•Plastic colonizes 60 and 80% of marine debris. (Seaweb, n.d.)
http://blog.baybackpack.com/wp-content/uploads/2012/08/Marine-Debris.jpg
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Reason:I. Sea turtles mistake the rubbish for food
•Plastic bags are turtles’ biggest killer•Sea turtles mistake plastics for jellyfish and ingest
them•Block their digestive system and causes death.
(Seeturtles, n.d.)
http://www.plastikeep.com/images/turtle%20pollution.png
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II. Nesting Habitat Destruction•Start to reproduce at 12-50•Only breed once per year•Rubbish occupies their nesting
habitats. (SeaWorld Parks & Entertainment, n.d.)
http://awsassets.wwf.org.au/img/sp_hawksbill_turle_hatchling_plastic_800x600_4090.jpg
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Conclusion
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References
• Hasselberger, L. (2014, 4 7). 22 Facts About Plastic Pollution. Retrieved 14/7/2014 from EcoWatch: http://ecowatch.com/2014/04/07/22-facts-plastic-pollution-10-things-can-do-about-it/.
• Marine Debris. (n.d.). Retrieved 14/7/2014 from SeaWeb: http://www.seaweb.org/resources/briefings/MarineDebris.php.
• Ocean Plastic & Sea Turtles. (n.d.). Retrieved 14/7/2014 from SeeTurtles: http://www.seeturtles.org/ocean-plastic.
• Sea Turtle Threats. (n.d.). Retrieved 14/7/2014 from See Turtles: http://www.seeturtles.org/sea-turtles-threats/.
• Sea Turtles. (n.d.). Retrieved 14/7/2014 from SeaWorld Parks & Entertainment: http://seaworld.org/animal-info/animal-infobooks/sea-turtles/reproduction/.
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Thanks for Listening !
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Q & A