Which morphological or behavioral trait of the starsier aligns it with haplorhin

Question

Which morphological or behavioral trait of the starsier aligns it with haplorhines?

a.grooming claw

b.bony eye socket

c.nocturnality

d.unfused mandible

The most morphologically specialized (eg.fingers, dental formula) type of strepsirhini is the _____?

Which special characteristic is displayed by both night monkeys (genus Aotus)and titi monkeys(genus callicebus)?

a.they usually have twins

b.they regulary use tools to crack nuts

c.fathers carry their offspring (paternal care) most of the time

d.the number of molars is reduced to 2 with a dental formula 2132

Explanation / Answer

1. Bony eye socket aligns Tarsier with the haplorhini

2. The most morphologically specialized (eg.fingers, dental formula) type of Strepsirhini is large olfactory lobes and a pheromone-detecting vomeronasal organ.

3. The special characteristic is displayed by both night monkeys (genus Aotus)and titi monkeys(genus Callicebus).

c. the fathers carry their offspring (paternal care) most of the time.

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