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?

<p>Increased parental care (B)</p> Signup and view all the answers

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

<p>3 premolars (B)</p> Signup and view all the answers

Which group of primates has a bony ear tube?

<p>Catarrhines (D)</p> Signup and view all the answers

What feature distinguishes haplorhines from strepsirhines in terms of eyes?

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

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

<p>Vertical clingers and leapers (A)</p> Signup and view all the answers

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

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

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

<p>Abducted limbs (C)</p> Signup and view all the answers

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