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The 7 Sexes

Biology of Sex Determination

Elof Axel Carlson

Few of us know much about the biology of sex determination, but what could be more interesting than to discover how we are shaped into males and females? In this book, Elof Carlson tells the incredible story of the difficult quest to understand how the body forms girls and boys. Carlson's history takes us from antiquity to the present day to detail how each component of human reproduction and sexuality was identified and studied, how this knowledge enlarged our understanding of sex determination, and how it was employed to interpret such little understood aspects of human biology as the origin of intersex births.

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Acanthaceae to Myricaceae

Water Willows to Wax Myrtles

Robert H. Mohlenbrock

Veteran botanist, scientific author, and professor Robert H. Mohlenbrock brings the full depth of his expertise and scholarship to his latest book, Acanthaceae to Myricaceae:  Water Willows to Wax Myrtles, the third of four volumes in the Aquatic and Standing Water Plants of the Central Midwest series.  This easy-to-use illustrated reference guide covers aquatic and standing water plants for the states of Iowa, Illinois, Indiana, Ohio, Kansas, Missouri, Nebraska, and Kentucky (excluding the biologically distinct Cumberland Mountain region of eastern Kentucky), from spearmint to wintergreen, from aster to waterwort. 

The volume identifies, describes, and organizes species in three groups, including truly aquatic plants, which spend their entire life with their vegetative parts either completely submerged or floating on the water’s surface; emergents, which are usually rooted under water with their vegetative parts standing above the water’s surface; and wetland plants, which live most or all of their lives out of water, but which can live at least three months in water.

Mohlenbrock lists the taxa alphabetically, and within each taxon, he describes the species with the scientific names he deems most appropriate (indicating if his opinion differs from that of the U.S. Fish and Wildlife Service), common names, identification criteria, line drawings, geographical distribution, habitat description, and official U.S. Fish and Wildlife Service wetlands designation as described by the National Wetland Inventory Section in 1988.

Acanthaceae to Myricaceae is an essential reference for state and federal employees who deal with environmental conservation and mitigation issues in aquatic and wetland plants. It is also a useful guide for students and instructors in college and university courses focusing on the identification of aquatic and wetland plants.

 

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Adaptation and Environment

Robert N. Brandon

By focusing on the crucial role of environment in the process of adaptation, Robert Brandon clarifies definitions and principles so as to help make the argument of evolution by natural selection empirically testable. He proposes that natural selection is the process of differential reproduction resulting from differential adaptedness to a common selective environment.

Originally published in 1995.

The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These paperback editions preserve the original texts of these important books while presenting them in durable paperback editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

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After the Genome

A Language for Our Biotechnological Future

Michael J. Hyde

Biotechnological advancements during the last half-century have forced humanity to come to grips with the possibility of a post-human future. The ever-evolving opinions about how society should anticipate this biotechnological frontier demand a language that will describe our new future and discuss its ethics. After the Genome brings together expert voices from the realms of ethics, rhetoric, religion, and science to help lead complex conversations about end-of-life care, the relationship between sin and medicine, and the protection of human rights in a post-human world. With chapters on the past and future of the science-warfare narrative, the rhetoric of care and its effect on those suffering, black rhetoric and biotechnology, planning for the end of life, regenerative medicine, and more, After the Genome yields great insight into the human condition and moves us forward toward a genuinely humane approach to who we are and who we are becoming.

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Alligators of Texas

Louise Hayes

Found only in the United States, the American alligator ranges in Texas through 120 counties, from the Sabine River to the Rio Grande, across a swath of river drainages and coastal marshes that include both the backwater swamps of the Big Thicket and the urban bayous of greater Houston.

From its beginning in a pile of eggs buried in a meticulously constructed nest to its possible end as an alligator burger or a pair of boots, an alligator’s habitat preferences sometimes coincide with the favorite haunts of boaters, hunters, and coastal residents.

In Alligators of Texas, biologist Louise Hayes and photographer Philippe Henry bring readers up close to this cryptic reptile’s food choices, parenting skills, communication techniques, and responses to natural events such as freezes and hurricanes. They also relate some Texas “alligator tales”; discuss alligator farming, hunting, and live capturing; and examine how people can successfully co-exist with this predator. They end by telling readers where they can view alligators, both in the wild and in captivity.

Although not as often, as easily, or perhaps as happily observed as white-tailed deer or armadillos, the American alligator is an iconic Texas animal, and knowing more about its life and habits can help Texans better understand its rightful place in the landscape.

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The Aloineae

A Biosystematic Survey

Herbert Parkes Riley and Shyamal K. Majumdar

The Aloineae, a tribe of several hundred species of succulent plants of the lily family, are ideal subjects for the study of karotypes and chromosome irregularities. This book brings together the major findings of a half-century of study of the Aloineae, with regard to polyploidy, aneuploidy, deletions, duplications, inversions, and translocations in the group.

The possible evolutionary effects of ecological relationships, natural hybridization, and morphological changes during growth are also assessed. Illustrations include maps, diagrams, photographs, photomicrographs, and electron micrographs.

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Am I a Monkey?

Six Big Questions about Evolution

Francisco J. Ayala

Despite the ongoing cultural controversy in America, evolution remains a cornerstone of science. In this book, Francisco J. Ayala—an evolutionary biologist, member of the National Academy of Sciences, and winner of the National Medal of Science and the Templeton Prize—cuts to the chase in a daring attempt to address, in nontechnical language, six perennial questions about evolution: • Am I a Monkey? • Why Is Evolution a Theory? • What Is DNA? • Do All Scientists Accept Evolution? • How Did Life Begin? • Can One Believe in Evolution and God? This to-the-point book answers each of these questions with force. Ayala's occasionally biting essays refuse to lend credence to disingenuous ideas and arguments. He lays out the basic science that underlies evolutionary theory, explains how the process works, and soundly makes the case for why evolution is not a threat to religion. Brief, incisive, topical, authoritative, Am I a Monkey? will take you a day to read and a lifetime to ponder.

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Aménagement écosystémique en forêt boréale

Edited by Sylvie Gauthier

Aménagement forestier écosystémique : Approche d'aménagement qui vise à maintenir des écosystèmes sains et résilients en misant sur une diminution des écarts entre les paysages naturels et ceux qui sont aménagés afin d'assurer, à long terme, le maintien des multiples fonctions de l'écosystème et, par conséquent, de conserver les bénéfices sociaux et économique que l'on en retire. Voilà la définition de l’aménagement forestier écosystémique proposée dans cet ouvrage qui offre une synthèse des principaux concepts écologiques qui appuient cette approche. Il présente une revue des grands régimes de perturbations qui façonnent la dynamique naturelle de la forêt boréale et des exemples provenant de différentes régions du centre et de l’est du Canada. Plusieurs projets de mise en œuvre de stratégies d’aménagement écosystémique illustrent des enjeux de la foresterie actuelle et les solutions que cette nouvelle approche peut apporter. En somme, la dynamique forestière dans son ensemble peut servir de guide à l’aménagement forestier. Une planification des interventions inspirée de la forêt facilitera la conciliation entre la récolte ligneuse et les intérêts des autres utilisateurs de la forêt.

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The Amazing World of Flyingfish

Steve N. G. Howell

If you travel the open ocean anywhere in the tropics, you are very likely to see flyingfish. These beautifully colored “ocean butterflies” shoot out of the water and sail on majestic, winglike pectoral fins to escape from predators such as dolphins, swordfish, and tuna. Some can travel for more than six hundred feet per flight. Yet despite their prevalence in warm ocean waters and their vital role in the tropical food chain, surprisingly little is known about flyingfish—more than 60 species are said to exist, but nobody is sure of the number. This beautifully illustrated book presents flyingfish as you’ve never seen them before. It features more than 90 stunning color photos by renowned naturalist Steve Howell, as well as a concise and accessible text that explores the natural history of flyingfish, where they can be found, how and why they fly, what colors they are, what they eat and what eats them, and more.

The ideal gift for fish lovers, seasoned travelers, and armchair naturalists alike, this first-of-its-kind book provides a rare and incomparable look at these spectacular marine creatures.

  • Presents flyingfish like you’ve never seen them before
  • Features more than 90 stunning color images
  • Explores the natural history of flyingfish, where to see them, how they fly, and more
  • The ideal gift book for fish lovers, ecotravelers, birders, and armchair naturalists

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The American Darters

Robert A. Kuehne and Roger W. Barbour

The darters are a fascinating group of colorful and diminutive freshwater fish whose beauty rivals that of the tropical reef fishes. Native only to North America, the darters occur widely, especially in the United States, but are little known to the general public, largely because of their small size -- few exceed six inches and some measure a mere one inch at maturity.

This book is the first comprehensive guide to the darters, covering all named and several undescribed forms -- 140 species in all. Each species account includes a synoptic description to aid in separation of similar species and subspecies, a range map, and discussion of the species' distribution, natural heritage, abundance, and scientific name. An illustrated key and glossary will further assist scientists, students, fishermen, and aquarium specialists in identifying darter species.

Central to this volume is the series of 144 handsome color photographs illustrating nearly all known darter species and several subspecies. Most of the specimens shown were caught by the authors at sites throughout the United States, Canada, and Mexico, and photographed by them on site using a recently developed technique that captures the full brilliance of the living fish.

Because of their importance as indicators of environmental quality, the darters are receiving increasing attention today from scientists and naturalists. Public interest was focused recently on the plight of the snail darter, but many other darter species are either threatened or endangered, and others face an uncertain future as human activities continue to degrade our waterways. All those with an interest in preserving the natural heritage of our rivers and streams will find this comprehensive guide to the darters an invaluable tool.

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