Question

who was first living being on the earth

Answer 1

lord bramha vishnu and shiva

Answer 2

Scientific answer-the first living beings on earth were the simple prokaryotes without any definite cellular constituency. these organisms were formed from simple sugars,and amino acids whom in turn were formed from the continuous lightening on the pressurised methane, ammonia and hydrogen sulphide (without oxygen)on the primitive atmosphere of the Earth, to create a simple sugars from the chemical constituents of the major chemicals on the primitive earth.this was first formulated by John. B. S .Haldane.His theory was proved by a group of scientists by an experiment where they created an atmosphere similar to that of the primitive earthing a glass container, and by passing strong jolts of electricity they found the theory of J. B. S. Haldane to be true. these scientists were Stanley L. Miller and Harold C.Urey whom went to win Nobel Prize for their experiments.
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Indian mythological answer--In Indian mythology the first living being was Lord Vishnu who surfaced from the eternal ocean.
Lord Brahma was born out of a lotus grown from the navel of Lord Vishnu.
The formation of Lord Shiva is not clear and is debated all over the years.