In Accordance with Wilson and MacArthur's Theory of Island Biogeography

question 58

Multiple Choice

In accordance with Wilson and MacArthur's theory of island biogeography, the following equations represent the extinction and immigration rates of species of spiders on a small island. (I = immigration rate of species per year; E = extinction rate of species per year; S = number of species currently on the island.)
I = 3 ? 0.1S
E = 0.2S
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Based on these equations, what is the expected equilibrium species diversity on this island?

• A) 3
• B) 6
• C) 10
• D) 20

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Definitions:

Third Places

Public places that serve as anchors of community life, distinct from one's home (first place) and workplace (second place), where individuals can gather and socialize.

Civil Society

Those organizations, institutions, and interactions outside government, family, and work that promote social bonds and the smooth functioning of society.

Leisure Industries

Industries focused on providing goods and services dedicated to entertainment, recreation, and enjoyment during one's free time.

Collective Responsibility

The concept that individuals in a group share responsibility for actions taken by the group as a whole, including the outcomes of those actions.