Refer to the Figure Shown

question 36

Multiple Choice

Refer to the figure shown.
Which statement about the figure is false?

• A) The two rhythms shown here are in phase.
• B) The rhythms are entrained to the light‒dark cycle.
• C) The period of this rhythm is about 24 hours.
• D) The figure likely represents a nocturnal animal.

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Definitions:

Intercostal Muscles

Muscles located between the ribs that help in the process of respiration, aiding in the expansion and contraction of the chest cavity.

Mandible

The lower jawbone in vertebrates, forming the lower part of the skull.

Mylohyoid

A muscle that forms the floor of the mouth, elevates the tongue, and depresses the jaw.

Masseter

A facial muscle that plays a crucial role in chewing by elevating the mandible (lower jaw).