Question

review the details below.
chameleons may change colors to express emotional states, such as fear, anger, and surprise.
while chameleons are usually brown or green, they may turn darker or lighter to warm up or cool off.
male chameleons display bright colors to signal that they are ready to mate.
choose the best topic sentence to introduce a paragraph containing these details.
chameleons can show a wide range of colors, from bright to muted.
chameleons are able to change colors due to a specialized process that affects pigments below a transparent layer of skin.
chameleons change color as a response to varying emotional and physical states.

Explanation:

El primer enfoque solo menciona la gama de colores, pero no las razones. El segundo habla sobre el proceso fisiológico, pero las oraciones dadas se centran en las razones (estado emocional, temperatura, apareamiento). El tercer enfoque abarca tanto los estados emocionales (miedo, enojo, sorpresa) como los físicos (abrigarse o refrescarse, señalar disponibilidad para el apareamiento).

Answer:

Chameleons change color as a response to varying emotional and physical states.