Scientists Have a Complete Fossil Record Showing the Evolution of Horses

question 31

Multiple Choice

Scientists have a complete fossil record showing the evolution of horses over millions of years.The fossil record indicates the legs becomes longer and the teeth larger,as ancestors of the modern horse adapted from living in forest to grasslands.This is an example of

• A) punctuated equilibrium.
• B) extinction.
• C) a postzygotic barrier to evolution.
• D) gradualism.
• E) a prezygotic barrier to evolution.

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Definitions:

Molecular Weight

The sum of the atomic weights of all atoms in a molecule, indicating the size of the molecule.

Diabetics

Individuals suffering from diabetes, a condition characterized by high blood sugar levels due to insulin production or response issues.

Insulin

A hormone produced by the pancreas that regulates blood sugar levels by facilitating the uptake of glucose into cells.

Acetone

A volatile, flammable, and colorless liquid ketone, often used as a solvent in the manufacture of plastics and other industrial products, as well as a nail polish remover.