The act of using oxygen and/or other gasses to break down nutrients in order to obtain energy.
Adaptation to both internal and external stimuli.
The act of making another organism that is the same as the beginning. (Not required for survival of the individual, but required to keep the species alive.)
Increase in cell size and/or number.
Getting rid of metabolic waste(s).
The act of moving one's bodily materials from one place to another.
The act of combining small substances to create a larger substance.
Obtaining nutrients in return for energy via respiration and/or synthesis.