Both dna and rna nucleotides contain three basic components. nucleotides contain all of the components listed except

Nucleotides contain all of the components listed EXCEPT amino acids. Amino acids are the basic unit or monomer of proteins.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.