Question

Why using visible movement as the defining characteristic of life is not enough?

Answer 1

Answer:

molecular movement

Explanation:

if visible movement is characteristic of life then in plants there is no visible movement but then also they are living.

if molecular movement is taking place in organism then only they are living otherwise not

Answer 2

Answer:

• Running, chewing, shouting, etc. are common examples of voluntary movements. Even animals/humans when asleep, show breathing which is one kind of involuntary movement.
• The growth of plant is considered as movement.
• Involuntary movements in animals and growth related movements in plants may not be visible. But still the indicator life. molecular movements are also visible, which still keep the bodies alive.
• So, using visible movement as the defining characteristics of life is not enough.

Hope this helps!