Features of Fish: What Is a Fish?

The video explores vertebrates, a group of animals with backbones, and their classification within the phylum Chordata. It highlights the shared characteristics of chordates, such as a dorsal hollow nerve cord and a notochord. The video also delves into the structure of vertebrates, including their spinal column and vertebrae. It further examines the distinct classes of vertebrates, focusing on fishes, their adaptations for aquatic life, and their ectothermic nature.

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