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Weds 4/25 *Turn in missing work! 1.In australia in the early 20 th century, rabbits were a big invasive pest. People were considering introducing foxes to control the rabbit population, do you think it would be a good idea? Write at least one sentence explaining why “When one tugs at a single thing in nature, he finds it connected to the rest of the world.” ~John Muir Agenda: 1.Pass out progress reports and stuff 2.Invasive species videos 3.Some Notes 4.Kaibab deer worksheet
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Australian Rabbits http://www.youtube.com/watch?v=pgPhn4tYxJQ http://www.youtube.com/watch?v=pgPhn4tYxJQ
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Cane Toads http://www.youtube.com/watch?v=DPXiegODB5c http://www.youtube.com/watch?v=DPXiegODB5c
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Zebra Mussels http://www.youtube.com/watch?v=biUpmQ9fz7g http://www.youtube.com/watch?v=biUpmQ9fz7g
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Invasive plants Arizona
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Aquatic Invasive Species in Arizona
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Some Invasive Animals in Arizona
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Abiotic factors: Non-living parts of an environment (ex: rocks, air, soil) Ecology Notes cont’d
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Biotic Factors Living organisms in an environment
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Put these in order of size in your notes from smallest to biggest (it’s ok if you’re wrong) Population, community, organism, biosphere, ecosystem
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Organism: one living thing Population Group of organisms of one species that mate and live together Community Collection of interacting populations Ecosystem Combination of the community and abiotic factors Biosphere Portion of the earth that supports life
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Carrying capacity: number of organisms an environment can support
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