A Species of Small Lizard Has Three Color Forms,pale Gray,brown,and

question 64

Multiple Choice

A species of small lizard has three color forms,pale gray,brown,and black.In its original range,the colors of the rocky environment were mixed from pale gray to very dark,and the population had an even mix of all three color forms.The blending of colors with their environment helps the lizards hide from predators.A group of these lizards ended up on an island with all gray rocks.Eventually,only gray lizards remained.This is an example of

• A) artificial selection.
• B) mutation.
• C) diversifying selection.
• D) directional selection.
• E) stabilizing selection.

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Definitions:

Slab Pull

A tectonic process where a cold, dense oceanic plate is pulled beneath a lighter continental or oceanic plate at a subduction zone, driving plate tectonics.

Subducting Lithosphere

The portion of the lithosphere that is being forced down into the mantle at a subduction zone.

Ridge Push

A tectonic process associated with the movement of the Earth's lithosphere, where an elevated ridge pushes an adjacent plate away due to gravitational forces.

Topographically High Ridge

An elongated area of high ground, usually sharper than a hill, often formed by tectonic processes or erosion.