The cell cycle is the replication of reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in many different ways, but overall it allows them to survive. For prokaryotes, the cell cycle, called binary fission, allows for them to live on by dividing into two new daughter cells. ( I hope this helped if you are doing this on computer you can copy & paste it. )
The correct form to write a binomial nomenclature is Genus species
Meiosis is an example of a sexual process
Well the energy comes from an external source. hope this helps thats all i know :)