How does plant and animals depends on each other

Animals need to eat plants so that predators can eat the animals who eat plants, they depend on each other to be links in the food chain for example some animals eat plants and others eat animals that eat plants on top of that plants produce oxygen for animals and animals produce co2 for the plants

Animals need plants for food if they are wild and plants use animal dropings as dirt to grow

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.