Animal Diversity: Sponges, Chordates, Vertebrates, Blastulation, Food Chain

In this video, I discuss the wide variety of animals, which are multicellular eukaryotic organisms. Animals, including humans, almost universally consume organic material, breathe oxygen, and develop from a hollow sphere of cells called the blastula. https://youtu.be/4SV5Ep-cFEY - notes - playlist

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