Why We Owe Our Lives to Phytoplankton

Some of the amazing creatures on the ocean floor have immense power to reshape the planet's atmosphere—and you've likely never even seen them before! These microscopic critters are called phytoplankton, and almost all life, both on land and in the ocean, depends on them. Learn about this world changing little friends in a new episode of SciShow, hosted by Hank Green! Free to watch on Dr.Doc Kids.

Courtesy of Monterey Bay Aquarium on YouTube. Watch on YouTube ↗

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