How does the way that matter cycles through an ecosystem differ from the way that energy flows?

Unlike the one way flow of energy, matter is recycled within and between ecosystems.

Explanation:

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

what are the awnser choices? i mean, without choices, it is an incompleat