The cell is most likely a prokaryote
A type of cell with no nucleus
In the stomach i think or lungs
Yes It moves by the park and then it is
Well, if one of the major species, that a certain animal eat disappeared, then it would effect the animal that ate it. Then, if that animal doesnt get fed, or eat the right things, it will die, and so will the animal that eats it. Its like the domino effect, if one goes down, so does everything else.
~Hoep this helped :)