What is a a functioning organism that represents life?

A functioning organism that represents life is the common house mouse (Mus musculus). This small mammal exhibits key characteristics of life, including growth, reproduction, metabolism, and response to stimuli. Its complex biological systems, such as the nervous and circulatory systems, allow it to interact with its environment and adapt to changes. Additionally, the house mouse's role in various ecosystems highlights the interconnectedness of life forms.