Study Guide Exam 2

Study Guide Exam 2 - Study Guide Exam 2 Systems and...

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Study Guide Exam 2 Systems and Change (1.) Define a system, compare and contrast open and closed systems, and provide examples of each. a. Any part of the universe that can be isolated for study, a network of relationships among a group of parts, elements, or components that interact w/ and influence are another through the exchange of energy, matter, and information b. Ex: Molecules, Organisms, Ecosystems, Earth c. Open System: Material enters system d. Closed system: Material cycle within system but do not enter or leave system (2.) Explain residence time and be able to compute it if provided with adequate information. a. Time it takes for a part of the total pool of material to cycle through the system b. R.T= total pool size / average transfer rate (3.) Compare and contrast positive and negative feedback systems, and be able to identify examples of each. a. Negative feedback systems leads to decrease in output (ex. Human Body) b. Positive feedback systems leads to increase in output (ex. Off-Road Vehicles) (4.) Explain the difference between linear and exponential growth, highlighting the factors that cause them to grow at drastically different rates. a. Linear growth quantity increases by a constant amount per time b. Exponential growth quantity increases by a constant rate per time (5.) Be able to calculate doubling times if provided with adequate information. a.
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Study Guide Exam 2 - Study Guide Exam 2 Systems and...

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