An Index Fossil Is

question 48

Multiple Choice

An index fossil is

• A) a fossil found in a particular site.
• B) the ideal specimen of that species to which all later descriptions must refer.
• C) a fossil used to categorize a stratigraphic layer.
• D) the type specimen of a species.

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Definitions:

ADHD

A neurodevelopmental condition, Attention Deficit Hyperactivity Disorder, manifests through lack of focus, high levels of activity, and impulse control issues.

Stimulant Medications

Drugs that increase activity in the brain and nervous system, often prescribed to treat conditions like ADHD and narcolepsy.

Vigilance

The action or state of keeping careful watch for possible danger or difficulties.

Parenting Styles

The systemic strategies and approaches parents use in raising their children, which significantly affect children's behavior and development.