Answered: Australopithecine

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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What do fossils suggest about Australopithecine diet and how it may have varied between the two groups? Explain your answer and be explicit as to what traits support your answer.

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Step 1: Fossils suggest about Australopithecine diet

1. Dental Morphology:

Fossilized enamel of Australopithecines displays a combination of tendencies. They have notably large molars with thick teeth, which suggests a food regimen that included fibrous plant materials.
However, their incisors and dogs aren't as specialized for reducing and tearing meat as seen in carnivores, indicating a weight loss program that changed into not exclusively carnivorous.

2. Skull and Jaw Structure:

Australopithecine skulls and jaws have sturdy capabilities, indicating strong chewing muscle groups. This indicates a diet that required a huge amount of mastication, likely because of the intake of difficult or tough foods like plant stems, roots, and tubers.

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