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Did you know that you are more closely related to a mushroom than to a daisy? That dinosaurs are still among us? That the terms "fish" and "invertebrates" do not indicate scientific groupings? All this is the result of major changes in classification. This book diagrams the tree of life according to the most recent methods of this system.

The U.S. has always been a nation of immigrants, shaped by successive waves of new arrivals. This comprehensive guide provides an authoritative account of the most recent surge of immigrants. Based on the latest U.S. Census data and scholarly research, this book is an essential reference for anyone curious about the changing face of America.

This exhaustive resource offers information on everything from adolescent acne to menopause in the belief that better-informed women can have better partnerships with their physicians.