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    Minnesota Zoo
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    In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest. After collecting the data, the learners plot the...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    Oregon Institute of Marine Biology
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    In this activity, learners discover which plants and animals have symbiotic relationships and how this impacts each organism. Learners explore the advantages and disadvantages of different types of...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes