Question

what criteria do we use to decide if something is alive???

Answer 1

Hi,

The most important criteria to decide that something is alive is the movement. All living things move by themselves without any external help. In some cases the movements of living things are quite fast which can be easily observed but in other cases the movements are very slow and hence observed with difficulty.

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~Lia

Answer 2

Answer:

●MOLECULAR MOVEMENTS helps us to decide whether something is alive or not

●Since molecular movements are necessary for a living organism it has become the basis of differentiating