Answer:
It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism.
Explanation:
I hope I have cleared ur doubt if not do mention in comment
It is relative dating because no scientist can tell the actually time that the layers of rocks where formed or when the fossil began to degrade
Because they have not been distrubed
Mitochondria because it releases stored food which is used for power growth and development and movement..and muscle have the greatest demand for them than any other body cell
