Based on the information in The Miller-Urey Experiment reading passage above, which of the following statements is most accurate? The Miller-Urey experiment proved that a primitive Earth consisted of water, methane, ammonia and hydrogen. The Miller-Urey experiment proved that amino acids are derived from simple organic molecules. The Miller-Urey experiment provided evidence that Alexander Oparin's and J. B. S. Haldane's hypothesis that conditions on the primitive Earth favored chemical reactions that synthesized more complex organic compounds from simpler organic precursors was incorrect. The Miller-Urey experiment provided evidence that simple organic molecules found on a primitive Earth could be converted into longer and more complex molecules, given the right set of conditions.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

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the oldest known insects are believed to live around 400 millions ago as suggested by the fossil records.   some plants having woody stems also evolved during this time.

after the evolution of insects the first four legged species or the tetrapods evolved in shallow freshwater habitats from the intermediate species approximately 397 million years ago. the tetrapods went on conquering the land giving rise to amphibians, reptiles, mammals and birds.

the major split in tetrapods first occurred 340 million years ago branching off from amphibians.

363 million years ago when the carboniferous period began the insects started roaming on land and taking flights, following which the four limbed tetrapods adapted in the terrestrial habitat.