Which Statement About the Molecular Clock Is True

question 21

Multiple Choice

Which statement about the molecular clock is true?

• A) It requires monophyletic taxa.
• B) It requires calibration with independent data, such as from the fossil record.
• C) It requires binomial nomenclature.
• D) It can only be used if the species diverged less than about 100 million years ago.
• E) It can only be used if the species diverged more than about 20 million years ago.

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Definitions:

Behavioral Health Problems

Issues affecting mental and emotional well-being and behaviors, including disorders like anxiety, depression, and substance abuse.

Meta-analytic Studies

Research methods that statistically combine the results of multiple studies on a topic to derive conclusions about the body of research.

Researcher Allegiance Bias

The tendency for the outcome of a study to be influenced by the researcher's own beliefs or preferences towards the therapy or intervention being tested.

Psychotherapy

A treatment approach where psychological methods, particularly when based on regular personal interaction, are used to help a person change behavior and overcome problems in desired ways.