Hear from leading scientists about their research in important areas of biology. Use these talks to deepen and update content knowledge.

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Trophic Cascades in Rivers

In this talk, ecologist Mary Power discusses how herbivorous fish and their predators contribute to the regulation of aquatic ecosystems.

Ecology
Science Practices
Untangling Salt Marsh Food Webs

In this talk, ecologist Brian Silliman discusses the discovery that salt marshes are controlled by the top-down forces of consumers.

Ecology
Science Practices