Darwin's Observation of Vastly Different Species Living in Similar Island

question 57

Multiple Choice

Darwin's observation of vastly different species living in similar island environments led him to conclude that each population had arisen separately from existing species on these islands, since the geographic isolation prevented migration of species from the mainlands. This scenario is an example of ____.

• A) biogeography
• B) plate tectonics
• C) comparative morphology
• D) morphological convergence
• E) homologous structures

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Definitions:

Developing Countries

are nations with lower levels of socioeconomic development, characterized by lower income, less industrialization, and poorer health and educational statuses.

Economic Security

The condition of having stable income or other resources to support a standard of living now and in the foreseeable future.

GNI

Gross National Income, the total domestic and foreign output claimed by residents of a country, including wages, salaries, and investment income, less equivalent payments to non-residents.

United States

A North American nation, renowned for its considerable global impact on economic, political, and cultural affairs.