There are countless types of plants and animals on Earth, but how do they work? In this episode of Crash Course Biology, we’ll take a bird’s eye view of how multicellular life functions, including how it’s organized, how it regulates itself to maintain homeostasis, and the big question: Why are these living things so wildly complex?<br /><br />Introduction: Bizarre Beasts 00:00<br />Multicellular Organization 1:16<br />Cell Specialization 3:34<br />Why We Aren't Unicellular 4:37<br />Cons of Multicellularity 5:53<br />Dr. Rebeca Gerschman 6:44<br />Homeostasis 8:24<br />Review & Credits 11:09<br />
