5 minute video that utilizes beautiful microscopy photographs and video clips to explain what diatoms are, their evolutionary history, how they photosynthesize, and their role in marine ecosystems.

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In this lesson from Bigelow Laboratory, students learn about the basics of food webs and trophic levels. Then they compare more familiar terrestrial food webs with marine food webs, using cards with information about various marine organisms to create their own model of a food web.

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Lesson plan for a hands-on (and somewhat messy) activity in which students engineer models of plankton to explore the concept of neutral buoyancy and the adaptations plankton have to achieve this.

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Lesson plan for a fun, high-energy activity that demonstrates how toxins or plastic particles from marine debris can bioaccumulate through the food web.

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