If the same base pairs are used to code for all organisms, why is there so much variation among organisms

The order of the codons differs between organisms. 

The different order of codons lead to different protein molecules being formed by the organisms which when expressed lead to different organisms trait

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.