Alfred Russel Wallace Studied and Helped to Demonstrate the Importance

question 112

Multiple Choice

Alfred Russel Wallace studied and helped to demonstrate the importance of several processes that determine the species composition of biogeographic regions.Processes studied by Wallace include all of the following except

• A) continental drift.
• B) natural selection.
• C) the rate and process of speciation.
• D) species discontinuities between the islands of Bali and Lombok.
• E) the mechanistic basis for continental drift.

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Definitions:

Continuous Wave

A form of radiation or signal that maintains a constant amplitude and frequency over time.

NMR Data

Information obtained from nuclear magnetic resonance spectroscopy, used to determine the purity and structure of compounds.

Singlet

An atomic or molecular state where all electron spins are paired, often referring to a state with lower energy in the context of spectroscopy.

Ppm

Stands for "parts per million," a unit of concentration often used in chemistry and environmental science to describe small amounts of a substance in a larger matrix.