1. The number of species of lemurs is:
five
nine
sixteen

2. The colobus monkeys are native to:
Central Africa
Brazil
Asia

3. Young orangutans nurse for:
one year
two years
three years

4. Gibbons leap between branches as distant as:
ten feet
twenty feet
thirty feet

5. The loud calls of the siamang:
define territory and social status
reinforce pair bonds
both of the above

6. Infant Barbary macaques are carried and groomed by adult: 
males and females
females only
males only

7. Tarsiers are: 
apes
monkeys
prosimians

8. Guenons are examples of:
apes
New World monkeys
Old World monkeys

9. The primate with the highest ratio of brain to body weight is the:
chimpanzee
capuchin
squirrel monkey

10. Prehensile tails are characteristic of:
New World monkeys
Old World monkeys
both of the above

Score =
The correct answers are: