Problem: Does "These two groups have long been considered close relatives because of the common presence of trochophore larvae, but the annelids were considered closer to the arthropods because they are both segmented." answer the question "What are two of the most successful animal phyla?"

A: no

Problem: Does "This character allowed abolitionists to draw attention to the sexual exploitation in slavery and, unlike portrayals of the suffering of the field hands, did not allow slaveholders to retort that the sufferings of Northern mill hands were no easier." answer the question "Who used the figure of the tragic octoroon?"

A: yes

Problem: Does "DNA consists of a chain made from four types of nucleotide subunits, each composed of: a five-carbon sugar (2'-deoxyribose), a phosphate group, and one of the four bases adenine, cytosine, guanine, and thymine.:2.1" answer the question "What type of sugar composes part of the DNA molecule?"

A:
yes