In Systematics and Phylogeny, the Fossil Record Is Especially Important

question 73

Multiple Choice

In systematics and phylogeny, the fossil record is especially important because

• A) most groups are well represented.
• B) DNA can be extracted from nearly all ancient fossils and then analyzed.
• C) random mutations make most biochemical methods unreliable.
• D) it can provide the absolute timing of evolutionary events.
• E) it provides the only data that are useful in reconstructing the past.

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Definitions:

Infantry Regiment

A military unit, typically consisting of soldiers who fight on foot, equipped for ground combat.

United States Infantry

The branch of the U.S. Army trained for ground combat operations, engaging in battle primarily on foot.

African American

Pertaining to Americans of African descent, with a history and culture shaped by the experience of slavery and the struggle for civil rights.

Armed Services

The combined military forces of a nation, including its army, navy, air force, and other branches, responsible for defending the country and engaging in combat operations.