Invertebrates or Vertebrates: Are Sharks Vertebrates or Invertebrates?

Sharks belong to the Chordata phylum, which includes vertebrates. They are nevertheless classified as vertebrates, despite the fact that their skeletons are formed of cartilage rather than hard bone.

Sharks are members of the Elasmobranchii class, which includes over 1,000 species of sharks, rays, and skates. Ciliary fish, such as sharks, have fins that do not flex or fold into their bodies like bony fish. When the sharks are approaching the surface, their dorsal fins become hard and protrude ominously from the water. Most sharks, on the other hand, like to swim toward the bottom or in the middle of the water, rather than near the surface.

Read more: What Is the Number of Sides on a Rectangle?

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