Lab quiz 2 anthro 209

Post orbital bar( a feature of what major primate group?)

Strepsirhines

A grooming claw is a ______ feature

Strepsirhine

Five digits (pentadactyly)

A functional clavicle

Grasping hands and feet

Nails and tactile pads which can be seen in

the skeleton in the tufts of the distal

phalanges

General features of a primate

Key cranial anatomical traits of primates

Convergent eyes - foward facing

encircled by a postorbital bar /

postorbital plate.

Rounded brain case

Short snoutK

Cattarhini

“Downward nose” old world monkeys

Platyrhini

“Flat nosed” new world monkeys

Haplorhini

“Dry nose”

Strepsirhini

“Wet nose”

Biphodont molars, with paired cusps

Tooth comb

What teeth are in a tooth comb

Incisors and canine

Tooth combs are traits in _____

Strepsirhini

This is a trait of ____

Happlorhines

Line in middle of head frontal

Metopic suture

______ have metopic sutures

Strepsirhines

_______

Mandibular symphysis

_______ And _______show mandibular symphysis

Strepsirhines and tarsiers

Longer snouts are characteristic of _______

Strepsirhines

Shorter snouts are characteristic of _______

Happlorhines

A longer snout can show _______

That Strepsirhines have a greater reliance on smell

The blue arrow refers to _______

The Saginaw crest

The yellow arrow highlights the _______

nuchal crest

Larger nuchal and saggital crests are characteristics influenced by _______

Sexual dimorphism

Three characteristics of sexual dimorphism are _______

Saggital and nuchal crests, canine size, body size and cranium size

Vertical clinging and leaping

A locomotion common in tarsiers, and Strepsirhines especially galagoes

A locomotion common in tarsiers and some Strepsirhines, especially galaxies

Vertical clinging and lesping

Arboreal or terrestrial quadrepedialism

Espesially typical of monkeys

A locomotion type especially typical of monkeys

Arboreal or terrestrial quadrupedialism

Brachiation

Typical of gibbons and siamangs