Chameleon Chromatics: How They Change Color and Why

Chameleons change color using specialized cells called iridophores, which contain pigments and nanocrystals that reflect light. The color change is achieved by altering the density of these cells. Chameleons use color change for camouflage, communication, and temperature regulation. The process involves different skin layers, each contributing to the color spectrum. The evolution of this ability is complex and fascinating, showcasing the intricate ways animals adapt to their environment.

What specialized cells in chameleons are responsible for their ability to change color?

• Iridophores

• Xanthophores

• Erythophores

• Melanophores

How do chameleons achieve a green color?

• By reflecting only blue light

• By absorbing all light

• By reflecting only yellow light

• By combining yellow and blue wavelengths

Why might a chameleon change to a darker color?

• To blend with a lighter background

• To attract a mate

• To absorb more heat

• To reflect more heat

What is one reason male chameleons change their color?

• To find food

• To hide from predators

• To attract a mate

• To cool down

How do chameleons use color to communicate?

• By using color to express emotions and social signals

• By changing color to indicate hunger

• By changing color to match their environment

• By reflecting sunlight to signal others