Using Figure 2 Above, Suppose That the Economy Started at PAE2

question 60

Multiple Choice

Using Figure 2 above, suppose that the economy started at PAE2. A potential change that could cause the economy to go from PAE2 to PAE1 might be:

• A) wealth level decreases.
• B) interest rates decrease.
• C) expected profitability of investments increase.
• D) domestic income decreases.

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Definitions:

Exotic Species

Species that are introduced to a new environment where they do not naturally occur, often leading to environmental changes and potentially becoming invasive species.

Keystone Species

This term refers to a species that plays a critical role in maintaining the structure of an ecological community and whose impact on the ecosystem is disproportionately large relative to its abundance.

Pioneer Species

First organisms to colonize previously disrupted or damaged ecosystems, beginning a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.

Invasive Species

Non-native species that spread rapidly in a new ecosystem, often causing harm to native species and their habitats.