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Nuts & Bolts of Biodiversity
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Time
• 3 x 90 min sessions
• Plus field work
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• Classification – taxonomy, keys
• Ecosystem services, migration, mitosis
• Extinction, evolution, convergent & divergent evolution
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Materials & Methods
• Iron fasteners – nuts, bolts, screws, cotter pins, washers
• Like above, except brass, Al, nylon, stainless steel
• 12 cm x 12 cm plywood sheet, drilled hole
• 12 cm x 12 cm metal sheet, drilled hole
• Magnets
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If running chromatography
• Solvents for extraction
• Running media
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Group A Group B Group C Group D
NO screws or bolts
No nuts Bolts Bolts
Nuts
Washers
Cotter pins
Washers
Washers Screws
Bolts
Nuts – wrong sizes
Etc.
Washers
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• Discuss features for classification
• Discuss convergent evolution
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Exercise
• Fasten the sheets
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• Mix groups
• Try fastening exercise
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Discuss
• Ecosystem services
• Migration
• Symbiosis
• Adaptation
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Redistribute hardware
• Group A: Mix of all
• Group B: Mix of all except no stainless steel nuts
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• Pass magnet
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• Return to attaching 2 plates
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• Biodiversity loss
• Loss of ecological services
• Extinction
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Field Work
• Backyard biodiversity– Collect leaves– Labeling
• Classification
• Check classification scheme against master list
• Can be done with macroinvertebartes
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Molecular Taxonomy
• Chlorophyll chromatography
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Discussion
• Backyard biodiversity– Issues of classification/taxonomy – selection
of features
• Biodiversity & ecosystem services
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Feedback
• Needed lecture on the hardware
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Biodiversity - dynamic
• Seasonal changes
• Diurnal changes
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Ties in with
• Appearances Are Deceiving
• Used extensively in Puerto Rico field trip– Worksheets 2 & 3
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Problems
• Seasky website ???
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Thoughts
• Assign an article or two on – Classification– Biodiversity (species, taxonomic, ecosystem,
genetic)