Which of the Following Characteristics Is NOT a Distinguishing Feature

question 60

Multiple Choice

Which of the following characteristics is NOT a distinguishing feature of all primates?

• A)opposable thumb
• B)fingernails
• C)usually single birth
• D)extended period of parental care
• E)expanded hindbrain

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Definitions:

Lungs

Organs in the respiratory system involved in the exchange of oxygen and carbon dioxide between the body and the environment.

Cerebral Arterial Circle

Also known as the Circle of Willis, this is a circulatory anastomosis that supplies blood to the brain and surrounding structures.

Posterior Cerebellar Artery

A branch of the vertebral artery that supplies blood to the cerebellum, crucial for balance and smooth movements.

Circle of Willis

A circulatory anastomosis that supplies blood to the brain and surrounding structures, playing a critical role in cerebrovascular health.