Something’s Choking Auntie Elm
Originally appears in the Summer 2006 issue
Concept: Exotic pest plants upset the checks and balances in natural habitats.
Grades: 6-8
Subjects: ecology, geography, science.
Skills: acquiring information, communicating, determining causes and effects, group participation, problem solving, valuing
Duration: preparation 20 minutes; activity two 50-minute periods
Group: 25-30
Setting: indoors
Key vocabulary: species, ecosystem, quarantines, flora, fauna
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