"Imagine saving an entire marine ecosystem by protecting an inconspicuous and 'un-cute' animal you've never even heard of," says Center for Coastal Studies marine biologist Agnes Mittermayr in a funny and illuminating conservation talk. We are all connected, algae to humans to worms, by being part of one big food web, and we can save whole ecosystems by protecting critical keystone species - some of which have no other value.

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx