What Triggers the Transition to Mating Behaviour in Bull Elks

question 51

Multiple Choice

What triggers the transition to mating behaviour in bull elks?

• A) shortening days of late summer and fall
• B) lengthening days of late spring and summer
• C) cold temperatures of the fall days
• D) warm temperatures of the spring days

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Definitions:

MRI

Magnetic Resonance Imaging, a diagnostic technique that uses magnetic fields and radio waves to produce detailed images of the body's internal structures.

Cerebral Angiography

A medical imaging technique used to visualize the arterial and venous vessels in the brain after injecting a contrast agent, aiding in the diagnosis of vascular diseases.

Accessory Nerves

Cranial nerves (XI) that are responsible for moving certain neck and shoulder muscles.

Throat

The anterior part of the neck, starting from the mouth and nasal cavity to the esophagus and larynx, acting as a pathway for food and air.