How do chameleons change color?
Quick Answer
Chameleons change color by adjusting specialized skin cells that reflect different wavelengths of light. The change is used mainly for communication, temperature control, and camouflage, not just to match backgrounds.
The Full Story
Chameleon skin contains several layers of pigment cells and reflective cells. By changing the spacing of nanocrystals in the skin, some species alter how light is reflected, which changes their visible color. This helps them signal mood, courtship, dominance, or stress. Color change can also help with thermoregulation, since darker or lighter skin absorbs or reflects different amounts of heat.
Key Facts
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Suggested video title for this topic:
"Why chameleons are color changers, not just camouflage masters"
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