Return to the Sea : The Life and Evolutionary Times of Marine Mammals, Paperb...

Description: Return to the Sea : The Life and Evolutionary Times of Marine Mammals, Paperback by Berta, Annalisa; Sumich, James L. (ILT); Buell, Carl (ILT), ISBN 0520355520, ISBN-13 9780520355521, Like New Used, Free shipping in the US Return to the Sea portrays the life and evolutionary times of marine mammals'from giant whales and sea cows that originated 55 million years ago to the deep-diving elephant seals and clam-eating walruses of modern times. This fascinating account of the origin of various marine-mammal lineages'some extinct, others extant but threatened'is for the nonspecialist. Against a backdrop of geologic time and changing climates and geography, this volume takes evolution as its unifying principle to help us to understand today's diversity of marine mammals and their responses to environmental challenges. Annalisa Berta explains current controversies and explores patterns of change now taking place, such as shifting food webs and predator-prey relationships, habitat degradation, global warming, and the effects of humans on marine-mammal communities.

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Book Title: Return to the Sea : the Life and Evolutionary Times of Marine Mammals

Number of Pages: 224 Pages

Language: English

Publisher: University of California Press

Item Height: 0.5 in

Publication Year: 2020

Topic: Earth Sciences / Oceanography, Life Sciences / Zoology / Mammals, Animals / General

Illustrator: Yes, Buell, Carl, Sumich, James L.

Genre: Nature, Science

Item Weight: 11.2 Oz

Author: Annalisa Berta

Item Length: 9 in

Item Width: 6 in

Format: Trade Paperback