Homeostasis is the regulation of an organism’s internal environment to maintain conditions suitable for life. homeostasis requires

Homeostasis is the ability of an organism to adjust its internal environment to maintain a stable equilibrium. Homeostasis requires balances between many factors in the body such as the body temperature. Other factors include; fluid balance, blood sugar level, pH of extracellular fluid and the concentrations of sodium, potassium and calcium ions. These factors must be kept within specific pre-set limits in order to maintain the body's overall function.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides