Transcript Day 12 Threats to Sustainability Part 2 ppt

Day 12 – Threats to
Sustainability
SCI 10
Ecosystems
Alien Species
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Alien species: aka introduced species, nonnative species, exotic species
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Species introduced to new parts of the world
Can be invasive species: take over habitat of native
species
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Outcompetes native species for food or other resources
Native species: species that naturally inhabits
an area
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Alien species often introduced accidentally
i.e. in ballasts of ships
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Zebra mussels
Alien species sometimes introduced by
humans to control another organism
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Mosquito fish
Project – Alien Species
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You will research a single alien species
located in Canada
Prepare an informative assignment on the
organism. (PowerPoint, Windows Movie
Maker, Poster, Brochure or magazine article)
Inform others on the impact this organism is
having on the ecosystem.
Project – Alien Species
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Brief general description of the organism is given
(origin, appearance, size, life span, food sources, natural habitat)
Described how the organism arrived in Canada
Current location of the organism in Canada is given
Described what the Canadian ecosystem looked like before the arrival of the
organism
Described what the Canadian ecosystem looked like after the arrival of the
organism
Clear explanation of the problems and impact the organism is having on the
ecosystem
Clearly explained possible solutions to address the problems caused by the
organism
Bibliography
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DUE:
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Step 2 – Start Researching
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http://www.invasivespeciesns.ca/
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Look under “Invasive species” then choose
“aquatic” or “terrestrial”