Ecologists Have Been Monitoring Three Metapopulations of Sawflies

question 4

Multiple Choice

Ecologists have been monitoring three metapopulations of sawflies. Population A has a patch colonization rate of 0.08 and a patch extinction rate of 0.11. Population B has a patch colonization rate of 0.05 and a patch extinction rate of 0.04. Population C has a patch colonization rate of 0.10 and a patch extinction rate of 0.08. According to Levins's metapopulation model, which of these populations would be expected to persist for a long time?

• A) Population A only
• B) Population B only
• C) Population C only
• D) Populations B and C

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Definitions:

Net Present Value

A financial metric that calculates the worth of a projected investment by discounting future cash flows to their present value.

Shareholders

Shareholders are individuals or entities that own shares of stock in a corporation, giving them partial ownership of the company.

Merger

The combination of two or more companies into a single entity, typically to achieve synergistic effects.

Acquisition

The process by which a company buys most or all of the target company's ownership stakes to assume control.