Along with Other Distinct Traits, Robust Australopithecines Had Large _______

question 18

Multiple Choice

Along with other distinct traits, robust australopithecines had large _______ adapted for grinding food.

• A)premolars and molars
• B)temporalis muscles and a sagittal crest
• C)front teeth and small back teeth
• D)both a.and b.

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Definitions:

Parabronchi

Minute tubular air passages within the lungs of birds through which respiratory gas exchange occurs, part of their highly efficient respiratory system.

Birds

Warm-blooded vertebrates characterized by feathers, beaks without teeth, and laying hard-shelled eggs.

Countercurrent Exchange

A mechanism in which fluids flow in opposite directions, exchanging properties (such as heat or chemical constituents) to maximize transfer rates.

Gills

Respiratory organs in certain aquatic organisms, allowing them to extract oxygen from water.