To maintain homeostasis, you sweat when you're hot breathe harder during exercise drink water when you're thirsty all of the above

The right option is; all of the above

To maintain homeostasis, you sweat when you're hot, breathe harder during exercise, and drink water when you're thirsty.

Homeostasis is the ability of a biological system or a body to adjust its internal environment in order to maintain a stable equilibrium conditions regardless of external changes. Homeostasis involves many variables such as body temperature, salts and glucose concentration, and fluid balance that have to be maintained within certain range. Homeostasis occurs in humans when they sweat in a hot environment, or when they shiver in a cold environment.

option number one would be youre best option

b is dominant over the allele for the white fur.