systems

Cards (7)

closed systems 
only energy can leave the system not matter
open system 
matter and energy can leave
dynamic equilibrium  
a sate of balance between inputs and outputs
positive feedback loop 
the change is amplified, moving the system further from dynamic equilibrium
negative feedback  
change brings that system back to its original state
wetted perimeter 
where there is contact between land and water
cascading systems 
energy and matter is transferred from one system to another