Question

What criteria do we use to decide whether something is alive?

Answer 1

Any visible movement such as walking, breathing, or growing is generally used to decide whether something is alive or not. However, a living organism can also have movements, which are not visible to the naked eye. Therefore, the presence of life processes is a fundamental criterion that can be used to decide whether something is alive or not.

Answer 2

Movement is the criteria used to decide whether something is alive.