How does a homeotherm maintain body temperature?

Answer 1

Mammals and Birds are homeothermic.

Extra Credit

As animals get larger the ratio of their volume to their surface area increases, this reduces the rate at which they lose hear to the environment and also reduces the rate at which environmental changes alter their internal temperature, this phenomenon is known as Gigantothermy and enables reptiles and fish, such as the Sea Turtle and Great White Shark to maintain a constant body temperature.

Answer 2

Do you mean internally rather than externally? Mammals, birds, and some fish are warm-blooded; that is, they maintain temperature by internal regulation. Cold-blooded animals, such as reptiles, maintain exothermically. They warm up in the sun, and cool down in the shade.

Answer 3

In a warm environment, heat must be dissipated to maintain body temperature. In humans, increased surface blood flow, especially to the limbs, acts to dissipate heat at the surface. At environmental temperatures above 93°F (34°C), or at lower temperatures when metabolism has been increased by work, heat must be lost through the evaporation of the water in sweat. People in active work may lose as much as 4 quarts per hour for short periods. However, when the temperature and humidity are both high, evaporation is slowed, and sweating is not effective. Most mammals do not have sweat glands but keep cool by panting (evaporation through the respiratory tract) and by increased salivation and skin and fur licking.

Answer 4

Endothermic animals maintain constant body temperature in a number of ways. One way is to lay out in the sun.

Answer 5

Being a vertebrate has nothing to do with body temperature. Snakes and mice are both vertebrates, but have different means of managing body temperatures,