A phosphate group and single nitrogen containing based
In the topographic classification, diseases<span> are subdivided into such categories as gastrointestinal </span>disease<span>, vascular </span>disease<span>, abdominal </span>disease<span>, and chest </span>disease<span>. ... In the anatomic classification, </span>disease<span> is </span>categorized<span> by the specific organ or tissue affected; hence, heart </span>disease<span>, liver </span>disease<span>, and lung </span>disease<span>.</span>
The answer should be <span>The groups will probably diverge genetically, and speciation may occur.</span>
Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ system
Organism
