Research Suggests That the Localized Extinction of Several Species of Land

question 24

Multiple Choice

Research suggests that the localized extinction of several species of land snails near Basal, Switzerland was due to

• A) genetic mutation.
• B) toxic water source.
• C) climatic warming.
• D) exotic predator.
• E) loss of habitat.

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Definitions:

Anterior

Anatomical term meaning toward the front of the body; also called ventral.

Frontal

Anatomical term that refers to the plane that divides the body into anterior and posterior portions. Also called coronal.

Sagittal

An anatomical term that refers to the plane that divides the body into left and right portions.

Sagittal

Referring to a plane or section that divides the body into right and left portions.