Fossils of Early Life Are Very Difficult to Identify in Very

question 4

Multiple Choice

Fossils of early life are very difficult to identify in very old rocks because early life

• A) was very simple and microscopic in size
• B) was not made of organic material that could be replaced by minerals
• C) was so different to life found on Earth today that we are not capable of identifying it
• D) did not leave behind any fossilized remains

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Definitions:

Personality Disorder

A mental disorder defined by persistent patterns of maladaptive behavior, thought, and internal experience.

Antisocial Personality

A personality disorder characterized by a long-term pattern of disregard for, or violation of, the rights of others.

Time Course

The progression or sequence of events or states over a period of time, often used to describe the dynamics of processes in various contexts.

Axis I

A classification in some versions of the Diagnostic and Statistical Manual of Mental Disorders that refers to primary clinical symptoms that cause significant impairment.