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Return to the Sea - The Life and Evolutionary Times of Marine Mammals (Hardcover)
Loot Price: R783
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Return to the Sea - The Life and Evolutionary Times of Marine Mammals (Hardcover)
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"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 non-specialist. Set against a backdrop of
geologic time, changing climates, and changing geography, evolution
is the unifying principle that helps us to understand the present
day diversity of marine mammals and their responses to
environmental challenges. Annalisa Berta explains current
controversies and explores patterns of change taking place today,
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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