Humans can make a difference but carbon is everywhere. This generation has the largest carbon footprint yet.
It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
<span>Protein synthesis is controlled by the nucleus</span>
The precambrian era makes up about 90% of the earths history, but there was little to no living organisms at the time other than microscopic ones. The first eukaryotes were found in the cambrian period after the precambrian period, not only that but at the end of the precambrian era in the Proterozoic era there was a mass extinction of about 70-80% of all living organisms
