Which of the Following Is Not a Community

question 49

Multiple Choice

Which of the following is not a community?

• A) the microorganisms living within the soil of your yard
• B) the life within a pond
• C) the organisms living within a dead tree in a forest
• D) the population of western gulls on a beach
• E) nurse logs which shelter plants and other organisms

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Definitions:

Common Resources

Goods that are non-excludable and rivalrous, meaning they are available to all but can be depleted by overuse.

Marginal Social Cost

This refers to the entire cost society bears for the production of an additional unit of a good, including both private costs borne by producers and external costs absorbed by others.

Common Resource

A resource like air or water that is non-excludable and rivalrous, meaning it's difficult to prevent anyone from using it, and one person's use diminishes others' use.

Common Resource

A resource like air or water that is not owned by anyone, but can be used freely by the public, often leading to overuse and depletion.