Answer:
Following are the
standards that decide whether something is alive:
(I)The major criterion which is used to decide whether
something is alive is movement. Movement may be incurred through
locomotion (running, walking, etc.), action of body parts (e.g., chewing of cud
by cow), breathing, growth (in plants), maintenance and repair of cellular structures
and molecular movement in metabolic reactions.
(ii) Requirement of food for performing life
activities.
(iii) Respiration
and utilization of the inhaled oxygen for oxidation of food.
(iv) Display
of growth and development.
(v)Expulsion
of metabolic wastes (Excretion).
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