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Primate Orthograde Features Quiz

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Questions and Answers

What feature of primate hands and feet allows for precision gripping and power grabs?

Retention of 5 digits

Mostly nails

Opposable thumb (correct)

High degree of prehensility

Which is a characteristic feature of skulls in primates that allows for stereoscopic vision?

Post-orbital bar (correct)

Short snouts

Large brain sizes compared to body sizes

More sulcus (folds) and gyri (ridges) between the brain

What is the function of the auditory bulla in primates?

Aids in temperature regulation

Enhances sense of smell

Contains auditory bone (correct)

Facilitates vocalizations

What factor contributes to the presence of culture in primates?

Increased parental care (B) Signup and view all the answers

What is a distinguishing feature of catarrhines in terms of dental formula?

3 premolars (B) Signup and view all the answers

Which group of primates has a bony ear tube?

Catarrhines (D) Signup and view all the answers

What feature distinguishes haplorhines from strepsirhines in terms of eyes?

Forward/convergent orbits (C) Signup and view all the answers

Which type of locomotion involves holding onto vertically oriented surfaces and leaping between trees?

Vertical clingers and leapers (A) Signup and view all the answers

What is the specific advantage of having a prehensile tail in new world monkeys?

Acts as a fifth appendage for reaching food (C) Signup and view all the answers

What is a characteristic feature of arboreal quadrupeds in terms of limb placement?

Abducted limbs (C) Signup and view all the answers