What effect does natural selection have on the frequencies of individuals with better adapted phenotypes?

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

What causes darkening of the skin as melanin production increases

I’m stuck on this question cuz i’m stupid sksksksk