First video in Amoeba Sisters Biology series! The Amoeba Sisters tour through the biological levels of organization: cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere! Support us on Patreon! www.patreon.com/amoebasisters We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. Here is YouTube's community guidelines www.youtube.com/yt/policyandsafety/communityguidelines.html and YouTube's policy center: support.google.com/youtube/topic/2676378?hl=en&ref_topic=6151248. We also reserve the right to remove comments with vulgar language. Our FREE resources: GIFs: www.amoebasisters.com/gifs.html Handouts: www.amoebasisters.com/handouts.html Comics: www.amoebasisters.com/parameciumparlorcomics Connect with us! Website: www.AmoebaSisters.com Twitter: www.twitter.com/AmoebaSisters Facebook: www.facebook.com/AmoebaSisters Tumblr: www.amoebasisters.tumblr.com Pinterest: www.pinterest.com/AmoebaSisters Instagram: www.instagram.com/amoebasistersofficial/ Visit our Redbubble store at www.amoebasisters.com/store.html