Which taxonomic system was developed by carl linnaeus in the 1750s and is used today?

answer; the correct answer is desert plants;

"do a testcross with a homozygous recessive plant."

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

looks like the answer is     c     to me!