1. humans are part of complex ecosystems. describe a few components of
the ecosystem in which you live. in your
• define abiotic and biotic factors (1)
. give an example of a biotic factor in your ecosystem (1)
• give an example of an abiotic factor in your ecosystem (1)

Where is the rest of the question

Mg is used to measure mass

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.