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Title:Animals: Tour of 9 Phyla

Join the Amoeba Sisters in exploring some general animal characteristics, major vocabulary used in classifying animals (such as symmetry, protostome vs deuterostome, cephalization, and coelom), and take a general tour of 9 major animal phyla. While each phylum discussion will be brief, we encourage you to explore more in this video description! And remember - there are plenty of fascinating animal exceptions. Table of Contents: 00:00 Intro 1:11 What Is An Animal? 1:57 Symmetry 2:33 Cephalization 2:57 Protostomes vs Deuterostomes 3:52 Triploblastic Animals 4:20 Coelom 4:50 Start of Phylum Tour 4:55 Porifera 5:28 Cnidaria 6:03 Platyhelminthes 6:34 Nematoda 7:32 Mollusca 8:04 Annelida 8:32 Arthropoda 9:09 Echinodermata 10:30 Chordata 11:45 More to Explore --------------- FACTUAL REFERENCES: Clark, Mary Ann, et al. “Biology 2e.”, OpenStax, 28 Mar. 2018, Hickman, Cleveland P, et al. Integrated Principles of Zoology. New York, Ny, Mcgraw-Hill Education, 2020. Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017. ------------------ FURTHER READING SUGGESTIONS: 1. We mention that the larvae of echinoderms (like the sea star) have bilateral symmetry while generally most echinoderm adults have radial symmetry. It's a fascinating phylum. Learn more about this what is meant by "secondary radial symmetry" : Learn more about their bilateral ancestry and how this impacts the classification of the phylum: 2. Learn more about protostome and deuterostome characteristics! 3. Explore more about each phylum we discussed (and more!): 4. Explore more about Chordata: ----------------------------------------------- The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: Support Us? We have a menu of our resources that complement our videos! Visit Our Resources and Handouts: Biology Video Playlist: GIFs: Comics: Unlectured Series: Connect with us! Website: Twitter: Facebook: Tumblr: Pinterest:­s Webtoon: Instagram: TikTok: Visit our Redbubble store at TIPS FOR VIEWING EDU YOUTUBE VIDEOS: Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? MUSIC: Our intro music designed and performed by Jeremiah Cheshire. End music in this video is listed free to use/no attribution required from the YouTube audio library. TRANSLATIONS: Thank you so much to those that translate our subtitles! German subtitles translated by Laura Bilinson. We gladly accept subtitle translations from our community. Learn more here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. We also have videos using an artificial voice via to increase accessibility. See our dubbed channels on


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