Published On Mar 30, 2023
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
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FACTUAL REFERENCES:
Clark, Mary Ann, et al. “Biology 2e.” Openstax.org, OpenStax, 28 Mar. 2018, openstax.org/books/biology-2e/pages/27-1-features-of-the-animal-kingdom.
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.
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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" :
https://biosurvey.ou.edu/Invert_manua...
Learn more about their bilateral ancestry and how this impacts the classification of the phylum:
https://onlinelibrary.wiley.com/doi/f...
https://www.nature.com/articles/s4200...
2. Learn more about protostome and deuterostome characteristics! https://openstax.org/books/biology-2e...
3. Explore more about each phylum we discussed (and more!): https://openstax.org/books/biology-2e...
4. Explore more about Chordata: https://openstax.org/books/biology-2e...
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