Which Mass Extinction Led to the Disappearance of the Dinosaurs

question 21

Multiple Choice

Which mass extinction led to the disappearance of the dinosaurs?

• A)K-T mass extinction
• B)Triassic mass extinction
• C)Permian mass extinction
• D)Devonian mass extinction

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Definitions:

REM Sleep Behavior Disorder

A sleep disorder where individuals physically act out their dreams during REM sleep, often resulting in injury or disturbance.

Electroencephalogram (EEG)

A test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.

Positron Emission Tomography (PET)

An imaging test that allows doctors to check for diseases in your body by injecting a radioactive tracer to observe metabolic activities.