Why Do Flowers Exist? (Gymnosperms & Angiosperms): Crash Course Botany #9

You couldn’t go a day without interacting with gymnosperms and angiosperms, the two most prominent groups of plants on the planet. We rely on them for food, clothing, and shelter — but why are they so common? In this episode of Crash Course Botany, we’ll find out how their seeds and flowers propelled them to evolutionary success. Chapters: How Plants Move 00:00 How Seeds Evolved 1:23 Types of Gymnosperms 5:17 Angiosperms 6:25 Dr. Else Marie Friis 8:00 Flower Structure 10:00 Why Angiosperms Thrived 10:39 Review & Credits 12:59 Sources: *** Crash Course is on Patreon! You can support us directly by signing up at Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Tawny Whaley, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Mi