A Small Population of a Species Invades an Island Where

question 21

Multiple Choice

A small population of a species invades an island where the species is not found. The island population subsequently diverges from the ancestral population and becomes a new species. This is an example of

• A) the vicariance model of allopatric speciation.
• B) the peripheral isolate model of allopatric speciation.
• C) sympatric speciation.
• D) parapatric speciation.

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Definitions:

Barter Economy

An economic system in which goods or services are traded directly for other goods or services without using a medium of exchange, such as money.

Basic Goods And Services

Essential products and services required to meet the fundamental needs of the population.

S & Ls

Short for Savings and Loan associations, which are financial institutions that specialize in accepting savings deposits and making mortgage loans.

Shareholders

Individuals or entities that own one or more shares of stock in a corporation and have a financial interest in its performance.