Berta Annalisa - Return To The Sea The Life And Evolutionary Times Of Marine Mammals - Paperback

Binding: Paperback
Description: 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.
Title: Return To The Sea The Life And Evolutionary Times Of Marine Mammals
Author(s): Berta Annalisa, Carl Buell
Publisher: University Of California Press
Barcode: 9780520355521
Pages: 224 Pages, 44 B-W Photographs, 54 Line Illustrations, 3 Tables
Publication Date: 3/31/2020
Category: Biology, Life Sciences