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    Biotechnology and Biological Sciences Research Council
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    In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called '...

    $10 - $20 per group Ages 11 - adult 45 to 60 minutes
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    Centers for Ocean Sciences Education Excellence
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    In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species. Props are used to help demonstrate how aquatic exotic species enter a lake...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    4-H
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    In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment. In preparation for the activity, an educator places...

    $10 - $20 per group Ages 11 - 14 30 to 45 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms. During a low tide, when many organisms are not covered by water, learners...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Howard Hughes Medical Institute
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    This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific...

    $10 - $20 per group Ages 11 - 18 2 to 4 hours