As energy flows through an ecosystem, energy as it moves to the next trophic level A. decreases by 10%
B. increases by 90%
C. decreases by 90%
D. increases by 10%

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

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