What are the signs that characterize a bacterium as a living organism?

• has a metabolism (breathes, eats, releases waste products into the environment);
• has the ability to self-regulation and maintains homeostasis;
• growing;
• reproduces;
• is developing;
• has irritability;
• possesses heredity;
• shows variability.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.