The Main Reason Why the Numbers of Black-Footed Ferrets Decreased

question 38

Multiple Choice

The main reason why the numbers of black-footed ferrets decreased rapidly is

• A) decreased populations of prairie dogs.
• B) decreased numbers of whitebark pine berries.
• C) habitat disruptions.
• D) hunting.

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Definitions:

Myelogram

An X-ray study of the spinal cord after injecting a contrast medium, used to diagnose spinal cord and vertebral column disorders.

Lumbar Puncture

A medical procedure where a needle is inserted into the lower part of the spinal column to collect cerebrospinal fluid for diagnostic or therapeutic purposes.

Cerebral Angiography

A medical imaging technique used to visualize the blood vessels in the brain, often used to diagnose and evaluate conditions like aneurysms and stenosis.

Ventral Rami

Branches of spinal nerves that innervate the anterior and lateral parts of the trunk and the limbs.