[Campbell Biology P.796] Which of the following is a key distinguishing feature between New ... | Practice Question

Which of the following is a key distinguishing feature between New World monkeys and Old World monkeys?

  • A: New World monkeys lack a prehensile tail, while Old World monkeys have one.
  • B: New World monkeys have nostrils that open to the sides, while Old World monkeys have nostrils that open downward.
  • C: Old World monkeys are typically smaller than New World monkeys.
  • D: Only Old World monkeys are found in tropical regions.

Explanation

According to Figure 34.45 a , New World monkeys have nostrils that open to the sides, and b states that Old World monkeys' nostrils open downward. This is a key distinguishing feature.