Down hairs, also called the ground hairs, are the very fine, fluffy hairs closest to the skin on some mammals. The skin is the outer covering of living tissue of an animal (or plant Mammals ( class Mammalia) are a class of Vertebrate Animals characterized by the presence of Sweat glands, including sweat glands The hairs are short and crimped, which makes them highly efficient for trapping air and insulating the animal. Temperature and layers The temperature of the Earth's atmosphere varies with altitude the mathematical relationship between temperature and altitude varies among five
In the hobby of animal fancy, the down hair is collectively called the undercoat and may be important in judging the animal, particularly at conformation dog shows and cat shows. A hobby is a spare-time Recreational pursuit Etymology A Hobby horse is a wooden or Wickerwork toy made to be Dog fancy and Cat fancy redirect here For the magazines see Dog Fancy and Cat Fancy (magazine. In a conformation show, judges familiar with specific Dog breeds evaluate individual Dogs for how well they conform to published Breed standards A cat show is a judged event where the owners of Cats compete to win titles in various cat registering organizations by entering their cats to be judged after a breed standard