A group of manatees (Trichechus manatus) migrated from the Caribbean to Florida around 15,000 years ago and is now genetically distinct from the Trichechus manatus still found in the Caribbean. This is an example of

Organism, organ system, organs, tissue, cells

The correct answer would be b

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.