Biology

The correct characteristic is: D.Homeostasis

Explanation:

Homeostasis refers to the ability of an organism to maintain a stable internal environment despite external changes. In the case of the dog, sweating through its paws and panting are mechanisms used to regulate body temperature and keep it within an optimal range, which is a form of homeostasis.

The other options don't quite fit:

A.Reproduce: Refers to the ability of an organism to produce offspring. This is not directly related to the cooli...