Metabolism is a concept that encompasses the totality of the chemical reactions that take place within biological systems, which are required to sustain life. Especially, the term metabolism makes reference to the chemical reactions used by organisms to convert food into energy. Moreover, reproduction and development are metabolic processes that allow organisms to perpetuate their existence, while homeostasis is the potential that organisms have in order to maintain a stable, relatively constant internal state.
These are similar because they both included desired characteristics. They are different because artificial selection has to do with humans being involved. where natural selection is with out humans being involved and is life or death.
Phosphorus can be found in foods (organic phosphorus) and is naturally found in protein-rich foods such as meats, poultry, fish, nuts, beans and dairy products.
