What are the devices that animals have to protect against moisture loss?

Scales (like a crocodile and iguana), Malpighian vessels in insects – for economical excretion of fluid (flow into the intestines); chitinous cover

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.