The Resource Requirements of Two Plant Species, a and B

question 26

Multiple Choice

The resource requirements of two plant species, A and B, have been carefully studied. Researchers have determined the levels of a particular resource that will support equilibrium levels of each species. Species A needs more of this resource to maintain equilibrium than does species B. When these two species are set in competition (under conditions in which this resource is limiting) , what is likely to happen to the populations of species A and B?

• A) Species A will displace species B.
• B) Species B will displace species A.
• C) Species A and B will continue to coexist.
• D) There is not enough information to determine the outcome.

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Definitions:

Government Budget

A financial statement presenting the government's proposed revenues and spending for a fiscal period, reflecting policy priorities and economic goals.

Annually Balanced Budget

A fiscal policy goal where government revenues and expenditures are equal within a one-year period, preventing deficit or surplus.

Great Depression

A major global financial crisis that occurred in the 1930s.

Annual Revenues

The total amount of income generated by a business, government, or organization from its activities over the course of a year before any costs or expenses are deducted.