Question

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

Ans . 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 movement inside the
organisms used to decide whether something is alive or not.​

Answer 1

The main criteria used to decide whether something is alive are breathing and respiration . However , living beings also show growth and movement .

Answer 2

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Walking, breathing, growth and other visible changes can be used to determine whether something is alive or dead. However some living things will have changes that are not visible to our eye; Hence, presence of life process is a fundamental criteria to decide whether something is alive.