Australopithecine & early Homo comparisions--answers

Australopithecine & early Homo comparisions--answers - SOCA...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
SOCA 252: Introduction to Physical Anthropology Names: In-class Assignment: Comparison of Australopithecines and Early Homo ANSWERS 1) Using Pictures #1 & #2 as a guide, discuss the difficulties a paleoanthropologist might encounter in trying to distinguish individual species from intraspecific variation in the fossil record. Intraspecific variation can be expressed as differences between individuals of the same sex, and in differences in size (sexual dimorphism) and other secondary characteristics (e.g., presence/absence of a sagittal crest; difference in male to female canine size) between individuals of different sexes. 2) Using Picture #3, identify four differences between the crania of the gracile Australopithecines ( A. africanus ) and the robust Australopithecines ( A. robustus ). Then indicate what those differences probably reflect in terms of differences in australopithecine diets. The differences are to be found in terms of the larger and more powerful jaws and teeth of the robust forms (e.g., larger mandibles, sagittal crests, more massive faces—especially in zygomatic region,
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course SOCA 252 taught by Professor Hirshman during the Fall '07 term at WVU.

Page1 / 2

Australopithecine & early Homo comparisions--answers - SOCA...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online