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Assuming that a society always operates on its production possibilities curve, an outward shift of the curve implies
Dung Beetles
Beetles that feed on feces, playing important ecological roles such as nutrient recycling and soil aeration.
Keystone Species
Species that have a disproportionately large impact on their environment relative to their abundance, crucial for ecosystem structure and function.
Indicator
A measurable variable used to demonstrate the progress toward achieving a specified goal or to assess the condition of a particular aspect of an ecosystem or economy.
Q114: Which one of the following is a
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