The answer for the above question is Mutation.
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation
<span>The tropical Eastern Pacific biome is home to more plants and animal species than any other, as it is home to the Amazon rainforest.</span>
They converted carbon dioxide to oxygen. The increased oxygen levels allowed for cellular respiration to occur instead of only glycolysis. The atmosphere became thinner, decreasing temperatures of the planet as well.
The tRNA carries the amino aci methionine (Met), which is the amino acid specified by the mRNA codon AUG.
not sure if this is the exact answer you want but hope this helps!!