Differences Between Positive and Negative Feedback in a System
Description:

Total Possible Score: 7.00
CH 4: Question 1:Explain the Differences Between Positive and Negative Feedback in a System and Provides an Example
Total: 1.00
Distinguished – Comprehensively explains the differences between positive and negative feedback in a system, providing detailed and specific examples.
Proficient – Effectively explains the differences between positive and negative feedback in a system, providing relevant examples. Minor details are missing.

Basic – Briefly explains the differences between positive and negative feedback in a system, providing general examples. Relevant details are missing.
Below Expectations – Attempts to provide an explanation of the differences between positive and negative feedback but the explanation or examples are missing significant details. s.
Non-Performance – Does not explain the differences between positive and negative feedback in a system and does not provide an example of each.

CH 4: Question 3: Explains Why the Idea of Equilibrium in Systems is Somewhat Misleading in Regard to Environmental Questions and Discusses the Possibility to Establish a Balance in Nature
Total: 1.00
Distinguished – Comprehensively explains why the idea of equilibrium in systems is somewhat misleading in regard to environmental questions and thoroughly discusses whether it is possible to establish balance in nature.
Proficient – Explains why the idea of equilibrium in systems is somewhat misleading in regard to environmental questions and discusses whether it is possible to establish balance in nature. The explanation is slightly underdeveloped.
Basic – Partially explains why the idea of equilibrium in systems is somewhat misleading in regard to environmental questions and minimally discusses whether it is possible to establish balance in nature. The explanation is underdeveloped.
Below Expectations – Attempts to explain why the idea of equilibrium in systems is somewhat misleading in regard to environmental questions and discuss whether it is possible to establish balance in nature; however, the explanation is significantly underdeveloped.
Non-Performance – Does not explain why the idea of equilibrium in systems is somewhat misleading in regard to environmental questions and does not discuss whether it is possible to establish balance in nature.

CH 4: Question 4: Explain Why the Average Residence Time is Important to the Study of the Environment
Total: 1.00
Distinguished – Comprehensively explains the importance of average residence time in studying the environment.
Proficient – Explains the importance of average residence time in studying the environment but minor details are missing.
Basic – Minimally explains the importance of average residence time in studying the environment, but relevant details are missing.
Below Expectations – Attempts to explain the importance of average residence time in studying the environment; however, the explanation is missing significant details.
Non-Performance – Does not explain the importance of average residence time in studying the environment.

CH 6: Question 1 Farming Has Been Described as Managing the Land to Keep it in an Early Stage of Succession. Explains What This Means and How is it Achieved
Total: 1.00
Distinguished – Comprehensively describes the meaning of farming to keep the land in an early stage of succession and thoroughly explains what this means and how this is achieved.
Proficient – Effectively describes the meaning of farming to keep the land in an early stage of succession and explains what this means and how this is achieved. The description or the explanation is slightly underdeveloped.
Basic – Mimimally describes the meaning of farming to keep the land in an early stage of succession and partially explains what this means and how this is achieved. The description and the explanation are underdeveloped.
Below Expectations – Attempts to describe the meaning of farming to keep the land in an early stage of succession and explain what this means and how this is achieve; however, the description and the explanation are significantly underdeveloped.
Non-Performance – Does not describe the meaning of farming to keep the land in an early stage of succession or explain what this means and how this is achieved.

CH 6: Question 3 Explains the Difference Between an Ecosystem and an Ecological Community
Total: 1.00
Distinguished – Thoroughly explains the difference between an ecosystem and an ecological community.
Proficient – Effectively explains the difference between an ecosystem and an ecological community, but minor details are missing.
Basic – Briefly explains the difference between an ecosystem and an ecological community, but relevant details are missing.
Below Expectations – Attempts to explain the difference between an ecosystem and an ecological communityhowever, the explanation is missing significant details.
Non-Performance – Does not explain the difference between an ecosystem and an ecological community.

CH 6: Question 5 Explain Whether a Highly Polluted Ecosystem Would Have Many Species or a Few Species. Explain Whether our Species is a Keystone Species
Total: 1.00
Distinguished – Comprehensively and effectively explains whether a highly polluted system would have few or many species, and thoroughly explains whether humans are a keystone species.
Proficient – Effectively explains whether a highly polluted system would have few or many species, and explains whether humans are a keystone species but the explanations are slightly underdeveloped.
Basic – Partially explains whether a highly polluted system would have few or many species, and minimally explains whether humans are a keystone species but the explanations are underdeveloped.
Below Expectations – Attempts to explain whether a highly polluted system would have few or many species, and explain whether humans are a keystone species; however, the explanations are significantly underdeveloped.
Non-Performance – Does not explain whether a highly polluted system would have few or many species, and explain whether humans are a keystone species.

Written Communication: Control of Syntax and Mechanics
Total: 0.80
Distinguished – Displays meticulous comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains no errors, and is very easy to understand.
Proficient – Displays comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains only a few minor errors, and is mostly easy to understand.
Basic – Displays basic comprehension of syntax and mechanics, such as spelling and grammar. Written work contains a few errors, which may slightly distract the reader.
Below Expectations – Fails to display basic comprehension of syntax or mechanics, such as spelling and grammar. Written work contains major errors, which distract the reader.
Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.

APA Formatting
Total: 0.20
Distinguished – Accurately uses APA formatting consistently throughout the paper, title page, and reference page.
Proficient – Exhibits APA formatting throughout the paper. However, layout contains a few minor errors.
Basic – Exhibits basic knowledge of APA formatting throughout the paper. However, layout does not meet all APA requirements.
Below Expectations – Fails to exhibit basic knowledge of APA formatting. There are frequent errors, making the layout difficult to distinguish as APA.
Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.

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