Physical geography: Water and carbon cycles: Systems concept.
- Created by: ria_needs_to_revisemore
- Created on: 07-11-18 10:38
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2. Identify one characteristic of systems
- There are no relationships between the processes of systems.
- All systems transfer both energy and matter.
- Function in the same way- involves inputs and outputs of material (energy/or matter).
- They do not follow a specific structure.
3. identify one incorrect charcteristic of systems
- Different parts of the system are connected and intergrated together.
- Systems are a generalisation of reality- give an idea of what is happening in a system, but the reality is more detailed.
- Systems accuratley show the reality of what is happening in systems.
- Only SOME systems exchange energy/matter beyond their defined boundary.
4. Define dynamic equillibrium
- The inputs are not level to the outputs in the system.
- When the system is not in a state of balance.
- The state of balance in a system, where both the level of inputs and outputs are equal.
- The level of inputs and outputs are not equal.
5. Define negative feedback.
- Leads to instability in the system.
- Decreases the level of change, by reducing soem of the inputs.
- Keeps a system in a state of dynamic equillibrium.
- Increases the level of change, by increasing the inputs.
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