Small Populations on Islands Can Be Said to Have Experienced

question 35

True/False

Small populations on islands can be said to have experienced a form of genetic drift called the founders effect.

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Definitions:

High-Viscosity

A term that describes a fluid's resistance to flow, with high-viscosity fluids moving more slowly than low-viscosity fluids.

Low-Viscosity

Describes a fluid that easily flows because it has a low resistance to deformation.

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials that flows down the side of a volcano during an explosive eruption, capable of destroying everything in its path.

Volcanic Breccia

A coarse-grained volcanic rock composed of angular fragments of volcanic material cemented together by finer particles or a mineral matrix.