Categories: A. Locomotion B. Teeth and Diet C. Brain and Behavior D. Reproduction

A.Locomotion _________________________

A. Locomotion, continued Hands and Feet: Retention of ______ _____________ Opposable _______ ___________ ________________

Fingernails (picture of a Orangutan)

B. Teeth and Diet Lack of ________= __________________

New World Monkeys _____________ Old World Monkeys/ Apes/Humans ____________

C. Brain and Behavior 1. More reliance on vision ____________________ _______________– stereoscopic, binocular vision Related to _________________ 2. Reduction in snout

C. Brain and Behavior __________________complexity of brain  especially the cerebral cortex

C. Brain and Behavior

Skull Characteristics post-orbital bar post-orbital closure

Skull Characteristics post-orbital bar post-orbital closure

In many species, complex ________________ Flexibility of behavior Other points to note: _____________________

D. Reproduction Long gestation period Reduced # of offspring: ________________ Slow development: _________________ Extension of life span

 Strepsirhini  Most primitive of all primates  Note: Primitive = “least derived”, most similar to earlier mammalian ancestors  Ancestral Characteristics  ___________________________________  ____________________________________  Geographical Locations – Madagascar, Africa, Asia

In comparison to stepsirhinis, anthropoids share: -_________________________________

In comparison to stepsirhinis, anthropoids share: -____________________________________

In comparison to stepsirhinis, anthropoids share: -___________________________________

In comparison to stepsirhinis, anthropoids share: -reproductive/gestational/childrearing differences -___________________of a grooming claw

Who are the haplorhines? New World Monkeys Old World Monkeys Hominoids (apes and humans) Differences exist between the haplorhines

Wide range in diet All are arboreal ________________ Some with prehensile tails, some without prehensile tails What do you think a prehensile tail is?

Tails (not prehensile) _________= Ischial Callosities Rest in a ___________ Some species have ______________ What do you these are?

Differ from monkeys in: ____________(except gibbons & siamangs) Absence of __________ __________________ Increased ____________ Increased period of infant ________________________