Which of the following structural features in animals does not affect control of body temperature?
Answer Details
The structural features that help in controlling body temperature in animals include scales, skin, fur, capillaries, and feathers. Out of these, capillaries are not considered a structural feature that helps in controlling body temperature, as they are part of the circulatory system that facilitates the exchange of nutrients and gases between the blood and body tissues. Although capillaries play a crucial role in regulating body temperature by controlling blood flow to the skin's surface, they are not considered a structural feature as they are too small to be seen with the naked eye. Therefore, the correct answer is "Capillaries."