polar bears unlike the closest relative the black bear have white fur and genetic mutation has changed the gene that codes for fur color this change in fur color has allowed the species to migrate to more northern regions where it was camouflaged in the snow base in this example of which of the following most appropriately describes genetic mutations.

C14 dating since carbon is present in both living and no living objects .

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.