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This marine biology activity (on pages 11-17) introduces learners to kelp (seaweed) forests that grow in the ocean and are home to many species of sea animals.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes