How do chameleons change color?

Transcript

Chameleons change color primarily through the manipulation of specialized skin cells called chromatophores and iridophores. Chromatophores contain pigments that can be dispersed or concentrated to alter color, while iridophores have nanocrystals that reflect light. By adjusting the spacing of these nanocrystals and controlling pigment distribution, chameleons can reflect different wavelengths of light, producing a variety of colors. This process is influenced by mood and temperature, serving purposes such as communication and thermoregulation rather than camouflage.

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