1. has a common material basis and structural basis.

2. Both of them have metabolic effects.

3. They are all irritable.

4. There are phenomena of growth, development and reproduction.

5. They all have the characteristics of heredity and variation.

6. Everyone can adapt to a certain environment and change it.

Metabolism is the most basic (attention is not basic), what do you mean?

Biological growth, stress and other characteristics all need energy, and energy is based on metabolism. Simply put, metabolism is the basic environment of other characteristics, and it can also change the environment. Any object that does not have the above other characteristics is not a living thing.