Means "jointed feet." annelida nematoda arthropoda echinodermata

ARTHROPODA means "jointed feet."

Phylum Arthropoda has some of these characteristics:
1) has stiff exoskeleton composed primarily of chitin.
2) arthropod's bodies are divided into segments. Some have tagmata, others have appendages with joints
3) arthropods have open circulatory system

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.