Yes this is right. You post questions on here just like you do now and then people will come and answer it in this box here.
Autotroph: Any kind of plant because they can create their own food.
Heterotroph: Humans because we can't create our own food.
The work sheet is for you to answer so you get smarter
The answer is C. Nucleotide
DNA is a polymer. The monomer units of DNA are nucleotides, and the polymer is known as a "polynucleotide." Each nucleotide consists of a 5-carbon sugar (deoxyribose), a nitrogen containing base attached to the sugar, and a phosphate group.