Vertebrate

The video tutorial explains vertebrates as animals with backbones and internal skeletons, detailing their five subgroups: fish, amphibians, reptiles, birds, and mammals. It highlights the unique features of each subgroup, such as hollow bones in birds and the diverse forms of mammals. The tutorial contrasts vertebrates with invertebrates, which lack backbones, providing examples like jellyfish and insects. It concludes by prompting viewers to consider how a backbone supports and protects the body.

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