Biogeographers Are Studying Two Similar Tree Species to Determine What

question 133

Multiple Choice

Biogeographers are studying two similar tree species to determine what processes led to the formation of these species.They might conclude that speciation began due to the process of vicariance if

• A) the two species formed after the last Ice Age.
• B) the two species are currently on the same continent.
• C) continental drift separated two original populations.
• D) free dispersal occurred among the original populations.
• E) the two species show more than 90 percent similarity.

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Definitions:

Ionization Potential

The minimum amount of energy required to remove the most loosely bound electron from an isolated neutral atom or molecule.

Voltage

An electrical measurement expressing the potential difference between two points, the driving force of electric current.

Electron

A subatomic particle with a negative electric charge, fundamental to electrical phenomena and components of atoms.

Electroplating

A process that uses electric current to deposit a thin layer of metal onto a conductive surface, typically for protective, decorative, or functional purposes.