Question

question 6

which of the following is an example of a platyrrhine?

orangutan
lemur
spider monkey
macaque

question 7

which of the following species has the y-5 molar pattern?

chimpanzee
howler monkey
loris
proboscis monkey

Explanation:

Identify platyrrhine characteristics

Platyrrhines are New World monkeys.
They are native to Central and South America.
Spider monkeys are New World monkeys.
Orangutans and macaques are catarrhines.
Lemurs belong to the suborder Strepsirrhini, related to Lemur Evolution.
Therefore, the spider monkey is a platyrrhine.

Identify Y-5 molar pattern

The Y-5 molar pattern is found in hominoids.
Hominoids include apes and humans.
Chimpanzees are hominoid apes.
Howler monkeys and proboscis monkeys have bilophodont molars.
Lorises have different dental specializations.
This relates to Primate Dentition and Primate Evolution.
Therefore, the chimpanzee has the Y-5 molar pattern.

Answer:

Question 6

• (A) orangutan
• (B) lemur
• (C) spider monkey (Correct answer)
• (D) macaque

Question 7

• (A) chimpanzee (Correct answer)
• (B) howler monkey
• (C) loris
• (D) proboscis monkey