The density dependent factors<span> are </span>factors<span> whose effects on the size or growth of the population vary with the population </span>density<span>. There are many types of </span>density dependent<span> limiting </span>factors<span> such as; availability of food, predation, disease, and migration. However the main</span>factor<span> is the availability of food</span>
The genetic code utilised by almost every organism are the same, as in the same sequences of codon codes for the same amino acid in almost every organism, thus the genetic code is said to be universal.