Multiple choice

What type of cartilage forms the whole of the adult skeleton of cartilaginous fishes?

  1. Elastic cartilage

  2. Hyaline cartilage

  3. Typical cartilage

  4. Fibrous cartilage
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The entire skeleton of cartilaginous fishes (sharks, rays, skates) is composed of hyaline cartilage, which is a flexible, translucent cartilage type. Unlike bony fishes, their skeletons never ossify into bone. Hyaline cartilage provides both structural support and flexibility, allowing these fishes to maintain their streamlined shape while being lightweight.

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