(15 points)What did the Miller-Urey experiment simulate? a
primitive Earth conditions

b
modern Earth conditions

c
how the first living organisms began

d
how complex organisms formed

What the Miller-Urey experiment simulated was how the first living organisms began (option c).

Explanation:

The Miller-Urey experiment owes its name to the scientists who developed it, Stanley Miller and Harold Clayton Urey, who in 1953 designed an experiment to demonstrate that organic substances could be produced from inorganic substances under certain environmental conditions that would favor the process.

From the Miller-Urey experiment it was possible to demonstrate, in some way, that the organic substances to constitute the first living organisms were formed from inorganic substances in the primitive atmosphere.

The experiment required subjecting a mixture of ammonia, methane, hydrogen, CO₂, nitrogen and water to elevated temperatures and electrical discharges. The result was the obtaining of some amino acids, acetic acid and glucose.

On this basis, it can be stated that the Miller-Urey experiment simulated how the first living organisms began.

The other options are not correct because:

    a and b. The Miller-Urey experiment was not useful for simulating primitive or modern earth conditions.

    d. The experiment does not simulate how complex organisms form.

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