Choose the One Most Appropriate Answer for Each

question 24

Multiple Choice

Choose the one most appropriate answer for each.
-australopith

• A)includes modern humans and their extinct bipedal relatives.
• B)a population of Homo spp. that lived from as recently as 28,000 years ago; tool users and artisans
• C)the order that includes animals with freely swiveling limbs, mobile grasping digits, upright body posture, good depth perception, and flat fingernails
• D)organisms in a group that includes New World and Old World monkeys, apes, and humans
• E)wet-nosed primates
• F)informal name for chimpanzee-sized hominins that lived in Africa from 4 million to 1.2 million years ago
• G)anthropoids without tails

---

Definitions:

Vertebral Arteries

Two major arteries of the neck that supply blood to the brain.

Thrombus

A blood clot that forms in a vessel and remains there, potentially leading to vascular obstruction.

Basilar Artery

A major blood vessel supplying blood to the brain, formed by the union of the two vertebral arteries.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, providing cushioning and maintaining intracranial pressure.