There are several characteristics that all organisms share in common, including:
1. Cells: All organisms are made up of one or more cells. Cells are the basic unit of life and are responsible for carrying out all of the functions necessary for an organism to survive.
2. DNA: All organisms have genetic material in the form of DNA (or RNA in some viruses). This genetic material contains the instructions for the development, growth, and reproduction of the organism.
3. Homeostasis: All organisms maintain a stable internal environment, or homeostasis, through various mechanisms such as temperature regulation, pH balance, and water balance.
4. Metabolism: All organisms carry out metabolic processes, which involve the conversion of energy...