The Study of Ancient Life Forms Preserved in the Rock

question 9

Multiple Choice

The study of ancient life forms preserved in the rock record is referred to as

• A)stratigraphy.
• B)paleontology.
• C)geochronology.
• D)zoology.

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Definitions:

Organ Reserve

The capacity of organs to function beyond the basal levels necessary to meet daily physiological needs, allowing the body to tolerate and recover from stress or illness.

Homeostasis

The process by which organisms maintain a stable internal environment despite changes in external conditions.

Senescence

The gradual deterioration of functional characteristics in organisms that leads to aging and increased mortality.

SSRIs

Selective Serotonin Reuptake Inhibitors, a class of drugs commonly used to treat depression by increasing levels of serotonin in the brain.