In biology, a mutation is a permanent change of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.
Salinity is the saltiness or dissolved salt content of a body of water (see also soil salinity).onceptually the salinity is the quantity of dissolved salt content of the water. Salts are compounds like sodium chloride, magnesium sulfate, potassium nitrate, and sodium bicarbonate which dissolve into ions.
Conductivity is the measure of a materialâs ability to conduct an electric current. In ocean sciences, the electrical conductivity of seawater is used as an indication of salinity. The saltier the water, the higher the conductivity will be.Seawater salinity can be calculated from measured values of conductivity and temperature. Salinity refers to the amount of salts dissolved in water, expressed as parts per thousand, or ppt.This corresponds to the amount of salt in grams dissolved in 1000 grams of water. However, salinity is difficult to measure directly and is generally calculated from conductivity and temperature measurements.he saltier the water, the higher the conductivity will be. Seawater salinity can be calculated from measured values of conductivity and temperature. Salinity refers to the amount of salts dissolved in water, expressed as parts per thousand, or ppt.