May 20, 2017
In the world of ecology, the only constant is change – but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics. Like Crash Course on Facebook! http://www. FACEBOOK /YouTubeCrashCourse Follow Crash Course on Twitter! http://www.#/TheCrashCourse Table of Contents 1. Primary Succession 1:56:1 2.