Why do snakes shed their skin in one piece?
Quick Answer
Snakes shed because their outer skin does not grow continuously like bone does. They periodically replace it to make room for growth and to remove damaged skin and parasites.
The Full Story
Snake skin is made of overlapping scales in a flexible outer layer called the epidermis. As the snake grows, this outer layer becomes too tight, so a new layer forms underneath and the old one peels away, often in a single piece. Hormonal changes help trigger the process, which is called ecdysis. Shedding can also improve movement and remove mites or worn-out skin. Many species shed several times a year, with younger snakes shedding more frequently than adults.
Key Facts
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"Why snakes peel off their skin like a glove"
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