You Are Reading an Article in the National Geographic About

question 26

Multiple Choice

You are reading an article in the National Geographic about Tiktaalik (believed to be the evolutionary transition from fish to terrestrial tetrapods) .This article is an example of

• A)primary literature.
• B)secondary literature.
• C)tertiary literature.
• D)quaternary literature.

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Definitions:

Hypothalamus

A small region of the brain's base responsible for hormonal regulation, temperature control, eating, drinking, and many other critical physiological processes.

MRI Scan

A medical imaging technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within the body.

PET Scan

Positron Emission Tomography, a diagnostic imaging test that helps reveal how tissues and organs are functioning by using a radioactive drug to show activity.

Thalamus

A critical structure in the brain that acts as a relay station, directing sensory and motor signals to other parts of the brain.