Here on Earth, life is dizzyingly diverse—but it’s also surprisingly organized. A sense of order structures life and its processes, from the tiniest cell to the total sum of every living thing. In this episode of Crash Course Biology, we’ll uncover the levels of biological organization, discover soil’s superpowers, and find out why the biosphere is kind of like a really, really long train.

Chapters:
Life's Layers 00:00
Themes of Life 1:54
Form Fits Function 4:08
Regulation 5:29
Levels of Organization 6:39
Life's Flows 9:55
Review & Credits 12:15

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Sources: https://docs.google.com/document/d/1G...

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