Studying the origin of life requires more intelligent guesswork while developing hypotheses than other fields, largely because the scientist cannot go back in time?

feral cats are estimated to eat tens of millions of native animals each night in australia

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.