Most Dinosaurs Became Extinct at the End of Which of the Following

question 48

Multiple Choice

Most dinosaurs became extinct at the end of which of the following periods of the Mesozoic?

• A) Jurassic
• B) Cretaceous
• C) Devonian
• D) Triassic
• E) Permian Dinosaurs first appeared during the Triassic period and flourished during the Jurassic period; then most became extinct at the end of the Cretaceous period, marking the end of the Mesozoic era.

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Definitions:

rTMS

Repetitive Transcranial Magnetic Stimulation, a non-invasive procedure that uses magnetic fields to stimulate nerve cells in the brain, often used in treating depression.

Period Of Stimulation

The duration during which a specific physiological or psychological process is activated or increased.

Hypokinetic Rats

A term referring to rats that exhibit a reduced level of movement or activity, potentially due to neurological or genetic conditions.

Hyperkinetic Rats

A term used to describe rats with abnormally high levels of activity, often used in research to understand hyperactivity disorders.