An Organism Can Exchange Matter and Energy with Its Surroundings

Multiple Choice

An organism can exchange matter and energy with its surroundings. Thus, any change in an organism's energy content must be balanced by a corresponding change in the energy content of the surroundings. As such, an organism is referred to as a(n)

A) closed system.
B) open system.
C) dynamic system.
D) potential system.
E) thermally reactive system.