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Most Causes of Speciation Are Relatively Slow,in That They May

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Most causes of speciation are relatively slow,in that they may take many generations of organism to see changes,except _____.


Definitions:

Island Arcs

Curved chains of volcanic islands that are usually situated along the edge of a tectonic plate, created by the subduction of an oceanic plate beneath another plate.

Island Arcs

Curved chains of volcanic islands that form along the boundaries of Earth's tectonic plates, generally over a subducting plate.

Mid-ocean Ridge

An underwater mountain range, formed by plate tectonics, that encircles the globe and is the site of new oceanic crust formation.

Terranes

Geologically distinct regions that may have been brought together by past tectonic processes.

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