Uploaded December 2020 | Updated September 2026, 2 weeks ago

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Explore the world of sea spineless creatures with Dr. Zoolittle, Roberta the Zebra, Olivia, and guest Odder the Otter. Learn which ocean invertebrate has blue blood and 10 eyes! Find out about the different layers of the ocean and the invertebrates that inhabit them, and what traits help them survive. Plus, discover how to make secret jellies!

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