Adog 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?

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 .

B. homeostasis B. regulation

Panting is a phenomena for maintenance of homeostasis in the body. In panting water from the inner moist lining of the oral cavity and pharynx get evaporated. This method of heat loss during hot and humid conditions is applied by dogs and other mammals to keep them cool. It is a kind of heat regulation process. Dogs keep there mouth open so that excess heat can liberate from their body.

i truly dont know the answer wait i do its 1,3,4

the answer to your question is,

old stone age.

-mabel < 3