A dog sitting in the hot sun on a back porch starts to pant. Panting is a mechanism of heat loss similar to perspiring in humans. This is an example of which characteristic of life?

Answer:Maintenance of internal consistency or homeostasis

Explanation:This is an important function of the body to regulate and keep the normal body temperature or regulate and remove waste such as the function of kidneys that remove waste through our urine in order to ensure that our body get rid of toxins in our bodies.

The dog also need to regulate its body temperature during the hot sun hence the panting is a result of that.