The Oldest Eukaryotes in the Fossil Record Are at Least

question 32

Multiple Choice

The oldest eukaryotes in the fossil record are at least how old?

• A)2.0 billion years old
• B)1.2 billion years old
• C)1.0 billion years old
• D)3.4 billion years old
• E)5.0 billion years old

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Definitions:

Informant Report

Information provided by a knowledgeable third party about another individual’s behavior, characteristics, or symptoms, often used in psychological assessments.

Face Validity

The extent to which a test appears to measure what it is supposed to measure, based on a superficial assessment, rather than in-depth analysis.

Aggregation

The process of combining multiple pieces of data, typically to provide a summary or to analyze trends.

Psychological Assessments

The process of administering and interpreting psychological tests to measure aspects of an individual's mental abilities, behaviors, and personality.