Welcome to the Neighborhood! Humans need a lot of things to survive (I’m sure you’ve noticed). We need food, water, and shelter and it takes a lot of resources to get all of those things. What are resources? In this episode of Crash Course Kids, Sabrina talks about what resources are and how we use
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.
Hank introduces us to ecology – the study of the rules of engagement for all of us earthlings – which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with each other all the time, every day,