good question. some organisms get there energy through fermentation
oh yeah I just remeber that we have a filed trip tomorrow.
Okay class meet Mr.-
mmmm yummy pie.
please call me by first name,Mike
okay Mike would please tell us about fermentation. if you about it right?
well i know bit of it but i'll give a example like you see that bread over there. that have some powder call yeast. without yeast the bread will be flat. yeast goes through fermentation. fermentation gives off carbon dioxide. and carbon dioxide makes the bread fluffy