Does a cell take in oxygen and nutrients from the environment? How did the first cell form?
A cell takes in nutrients, and it also respires, i.e. exchanges oxygen, to combust the sugars that it takes in (of course the cell could be photosynthetic, but it would nevertheless have to take in
And should a cell consume enuff nutrients, it could undergo binary fission reproducing itself.
As to how a cell originally formed, you got me.