<h3>Answer is: Scientific <em>Experiment</em></h3>
The mammoth is the most commonly known animal that lived during the Ice Age but is extinct today.
This might help: https://www.livescience.com/51793-extinct-ice-age-megafauna.html
Mitosis never stops in most of the cells of our body like "Gastrointestinal tract", "that give rise to blood cells" etc.
But, it stops after the death of the body.
Hope this helps!
Answer:
first one i think it is all living things are made of cells
Explanation: