Just like the adaptation of humans and animals to the environment, the same also applies for bacteria and viruses.
After so many years of Penicillin being used as the main anti-bacterial cure, bacteria formed resistance due to constant environmental presence.
<span>A vesícula biliar é uma estrutura em forma de pêra, oca localizada sob o fígado e no lado direito do abdômen. Sua principal função é armazenar e concentrar a bile, uma enzima digestiva marrom-amarela produzida pelo fígado. A vesícula biliar é parte do trato biliar.</span>
The Iris is the known structure to control the amount of light to enter the eye.
We know all living things are made up of cells because all cells come from cells, you cant have a cell without it coming from a different cell.
They are at the base of the food chain which makes the diversity possible