Compare the diatoms you see (Asterionella) to a tree. How are trees different from these small, one-celled plants? Diatoms do not have , , or .

Answer is in the file below

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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

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic