What determine the code or information of DNA molecule?

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

Probably... detritivores decompose everything... yay. that means there won't be dead animals everywhere... not in a bad way ^_^