How Many Bones Are in a Starfish?
Contrary to popular belief, starfish do not have any bones. Their bodies are composed of a hard outer skeleton called an ossicle, which is made of calcium carbonate. This ossicle provides the starfish with structural support and protection. The ossicle is covered in a layer of skin called the dermis, which is made up of collagen and elastin. The dermis contains numerous tiny spines that give the starfish its rough texture.
Related Questions and Answers:
- What is the scientific name for a starfish? Answer: Asteroidea
- How many arms do most starfish have? Answer: Five
- What is the average lifespan of a starfish? Answer: Varies depending on the species, but typically 5-10 years
- Can starfish regenerate lost arms? Answer: Yes, most starfish species can regenerate lost arms
- What is the largest species of starfish? Answer: Sunflower sea star (Pycnopodia helianthoides)
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