Episode 4

Published on:

23rd May 2022

How to Build an Animal: Body Cavities

So far in the How to Build an Animal series, we’ve been taking a look at the very things that make an animal, well, an animal. In Part One we explored types of symmetry and got oriented with the directions of cephalization. In Part Two we dove into the early development of animals, from fertilization to the gastrula. We also defined the early layers called the ectoderm, mesoderm, and endoderm and hinted at their future by revealing what tissues they are responsible for developing into.

Each of these things has been a branching point on the tree of animal life. Now it’s time for another.


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About the Podcast

a new podcast from the creators of The Wild Life
From the creators of The Wild Life comes Class.

Why class? Kingdom, Phylum, Class, Order, Family, Genus, Species.

Each season focuses in on a new Phylum, with each episode exploring a new Class of animal. Season One: Mollusca, just wrapped up production and is on its way!

Each episode also comes with educational resources like images, diagrams, and worksheets for free use by students and enthusiasts everywhere.
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Devon Bowker