<span> The </span>most specific classification<span> is by genus and </span>species<span>. The hierarchical groupings in between include phylum, class, family, and order...... :)
i hope it helps you..... :)</span>
Explanation:
In general, tumors occur when cells divide and grow excessively in the body. Normally, the body controls cell growth and division. New cells are created to replace older ones or to perform new functions.
DNA stores the instructions (genetic information) used to build proteins.
