Evolution Can Best Be Defined as

question 39

Multiple Choice

Evolution can best be defined as

• A) the appearance of a new species.
• B) a change in allele frequencies in a breeding population over time.
• C) changes in the DNA of an individual over his or her lifetime.
• D) a process that occurs only over extremely long periods of time.

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Definitions:

Bicarbonate Ions

are negatively charged ions that act as a buffer in blood and help maintain the body's pH balance.

Splenic Flexure

The part of the large intestine where the transverse colon turns downward on the left side of the body, near the spleen.

Large Intestine

The final section of the digestive system responsible for water absorption and feces formation.

Mesenteries

Folds of the peritoneum that attach the intestines to the posterior abdominal wall, providing support and containing blood vessels and nerves.