Ecological Communities

question 8

Multiple Choice

Ecological communities

• A) have clearly fixed boundaries and are always defined on the same scale.
• B) can be nested within larger ecological communities.
• C) are defined as groups of four or more species within a given area.
• D) are groups of species that do not fluctuate over time.

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Definitions:

Net Exports

The gap between what a country earns from exports and spends on imports.

Net Capital Outflow

The difference between the purchase of foreign assets by domestic residents and the purchase of domestic assets by foreign residents over a specified period.

Marginal Product

The increase in output that arises from an additional unit of input.

Domestic Investment

Investment in resources within a country, including physical assets like machinery and buildings, contributing to economic growth and development.