Answer
This “bulkier” body habitus is beneficial in cold weather.
Work Step by Step
Having less body surface area to body mass helps conserve heat, which is beneficial in the colder temperatures at these higher latitudes.
Campbell Biology (11th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0-13409-341-0
ISBN 13:
978-0-13409-341-3
Chapter 40 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 895: 9
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