Frogs, Flies, and Dandelions PDF Download

Author: Menno Schilthuizen
Publisher:
ISBN: 9780198503927
Category : Evolution (Biology).
Languages : en
Pages : 258

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Book Description
How do new animal and plant species come about? How quickly does it happen? And what are species anyway? Schilthuizen, reputed scientist and journalist, launches into the debate that has baffled biologists ever since Darwin, with tremendous energy and wit. The whole subject leaps to life andits significance for understanding biodiversity comes clear. This is a fascinating read that will appeal equally to the lay reader and to students getting to grips with the fundementals of a complex subject.

Author: Antonio Fontdevila
Publisher: OUP Oxford
ISBN: 0191620793
Category : Science
Languages : en
Pages : 232

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Book Description
Our ever-increasing knowledge of whole genome sequences is unveiling a variety of structures and mechanisms that impinge on current evolutionary theory. The origin of species, the evolution of form, and the evolutionary impact of transposable elements are just a few of the many processes that have been revolutionised by ongoing genome studies. These novelties, among others, are examined in this book in relation to their general significance for evolution, emphasising their human relevance. The predominance of non-coding DNA in the human genome, the long-term adaptive role of so called "junk DNA" in the evolution of new functions, and the key evolutionary differences that define our humanity are just some of the controversial issues that this book examines in the context of Darwinian evolution. The author's principle intention is to show that whilst genomics is revealing new and previously unanticipated mechanisms and sources of variability that must be incorporated into evolutionary theory, there is no reason to dismiss the role of natural selection as the mechanism that sorts out these potentialities. In other words, this genome potential provides new possibilities (and also constraints) for evolution, but the realization of this potential is driven by natural selection.

Author: Menno Schilthuizen
Publisher: Picador
ISBN: 1250127831
Category : Science
Languages : en
Pages : 305

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Book Description
*Carrion crows in the Japanese city of Sendai have learned to use passing traffic to crack nuts. *Lizards in Puerto Rico are evolving feet that better grip surfaces like concrete. *Europe’s urban blackbirds sing at a higher pitch than their rural cousins, to be heardover the din of traffic. How is this happening? Menno Schilthuizen is one of a growing number of “urban ecologists” studying how our manmade environments are accelerating and changing the evolution of the animals and plants around us. In Darwin Comes to Town, he takes us around the world for an up-close look at just how stunningly flexible and swift-moving natural selection can be. With human populations growing, we’re having an increasing impact on global ecosystems, and nowhere do these impacts overlap as much as they do in cities. The urban environment is about as extreme as it gets, and the wild animals and plants that live side-by-side with us need to adapt to a whole suite of challenging conditions: they must manage in the city’s hotter climate (the “urban heat island”); they need to be able to live either in the semidesert of the tall, rocky, and cavernous structures we call buildings or in the pocket-like oases of city parks (which pose their own dangers, including smog and free-rangingdogs and cats); traffic causes continuous noise, a mist of fine dust particles, and barriers to movement for any animal that cannot fly or burrow; food sources are mainly human-derived. And yet, as Schilthuizen shows, the wildlife sharing these spaces with us is not just surviving, but evolving ways of thriving. Darwin Comes toTown draws on eye-popping examples of adaptation to share a stunning vision of urban evolution in which humans and wildlife co-exist in a unique harmony. It reveals that evolution can happen far more rapidly than Darwin dreamed, while providing a glimmer of hope that our race toward over population might not take the rest of nature down with us.

Author: Louis M. Schoonhoven
Publisher: Oxford University Press
ISBN: 019852594X
Category : Science
Languages : en
Pages : 441

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Book Description
"Half of all insect species are dependent on living plant tissues, consuming about 10% of plant annual production in natural habitats and an even greater percentage in agricultural systems, despite sophisticated control measures. Plants are generally remarkably well-protected against insect attack, with the result that most insects are highly specialized feeders. The mechanisms underlying plant resistance to invading herbivores on the one side, and insect food specialization on the other, are the main subjects of this book. For insects these include food-plant selection and the complex sensory processes involved, with their implications for learning and nutritional physiology, as well as the endocrinological aspects of life cycle synchronization with host plant phenology. In the case of plants exposed to insect herbivores, they include the activation of defence systems in order to minimize damage, as well as the emission of chemical signals that may attract natural enemies of the invading herbivores and may be exploited by neighbouring plants that mount defences as well." "Insect-Plant Biology discusses the operation of these mechanisms at the molecular and organismal levels, in the context of both ecological interactions and evolutionary relationships. In doing so, it uncovers the highly intricate antagonistic and mutualistic interactions that have evolved between plants and insects. The book concludes with a chapter on the application of our knowledge of insect-plant interactions to agricultural production." "This multidisciplinary approach will appeal to students in agricultural entomology, plant sciences, ecology, and indeed anyone interested in the principles underlying the relationships between the two largest groups of organisms on earth: plants and insects."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

Author: Sara Lewis
Publisher: Princeton University Press
ISBN: 0691162689
Category : Nature
Languages : en
Pages : 238

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Book Description
An informative, entertaining, and beautifully illustrated look at the beloved firefly For centuries, the beauty of fireflies has evoked wonder and delight. Yet for most of us, fireflies remain shrouded in mystery: How do fireflies make their light? What are they saying with their flashing? And what do fireflies look for in a mate? In Silent Sparks, noted biologist and firefly expert Sara Lewis dives into the fascinating world of fireflies and reveals the most up-to-date discoveries about these beloved insects. From the meadows of New England and the hills of the Great Smoky Mountains, to the rivers of Japan and mangrove forests of Malaysia, this beautifully illustrated and accessible book uncovers the remarkable, dramatic stories of birth, courtship, romance, sex, deceit, poison, and death among fireflies. The nearly two thousand species of fireflies worldwide have evolved in different ways—and while most mate through the aerial language of blinking lights, not all do. Lewis introduces us to fireflies that don't light up at all, relying on wind-borne perfumes to find mates, and we encounter glow-worm fireflies, whose plump, wingless females never fly. We go behind the scenes to meet inquisitive scientists who have dedicated their lives to understanding fireflies, and we learn about various modern threats including light pollution and habitat destruction. In the last section of the book, Lewis provides a field guide for North American fireflies, enabling us to identify them in our own backyards and neighborhoods. This concise, handy guide includes distinguishing features, habits, and range maps for the most commonly encountered fireflies, as well as a gear list. A passionate exploration of one of the world's most charismatic and admired insects, Silent Sparks will inspire us to reconnect with the natural world.

Author: Stanley Rice
Publisher: Infobase Holdings, Inc
ISBN: 1438195923
Category : Science
Languages : en
Pages : 652

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Book Description
Praise for the previous edition: "...make[s] high-level scientific concepts accessible to secondary students."—Library Journal "...clearly written and well organized..."—School Library Journal "Fulfilling educational benchmarks identified by the National Academy of Sciences, this encyclopedia is an excellent choice for both public and academic libraries. Recommended."—Choice "...a thorough and informative work...provide[s] accessible information...There is simply no other work that compares to this...High-school and public libraries will welcome such a well-researched title..."—Booklist "The text is suitable for high school students but advanced enough for adult readers, too...presents important biodiversity topics...a handy overview for term papers and class presentations."—Library Journal Biodiversity and ecology are founded in evolutionary science. In order to understand why species of organisms occupy different parts of the world, it is important to comprehend how they evolved. Encyclopedia of Biodiversity, Revised Edition examines this evolutionary framework with the help of more than 150 entries and five essays averaging at least 2,000 words each. High school teachers can use these entries—grouped by topic—to meet many of the science education goals established by the National Academy of Sciences. Written by a leading expert in the field, this comprehensive, full-color encyclopedia makes information about groups of organisms (from bacteria to mammals) and about ecological concepts and processes (such as biogeography and ecological succession) clearly and readily available to students and the general public. Tables at the end of each entry have a consistent structure, allowing readers to see how environmental conditions and biodiversity have changed through evolutionary time. Entries include: Acid rain and fog Biodiversity in the Jurassic period Darwin's finches Galápagos Islands Peter and Rosemary Grant Life in bogs Natural selection Population genetics Seedless plants Tropical rainforests and deforestation Alfred Russel Wallace.

Author: Menno Schilthuizen
Publisher: Penguin
ISBN: 0143127063
Category : Science
Languages : en
Pages : 258

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Book Description
A tour of evolution’s most inventive—and essential—creations: animal genitalia Forget opposable thumbs and canine teeth: the largest anatomical differences between humans and chimps are found below the belt. In Nature’s Nether Regions, ecologist and evolutionary biologist Menno Schilthuizen invites readers to discover the wondrous diversity of animalian reproductive organs. Schilthuizen packs this delightful read with astonishing scientific insights while maintaining an absorbing narrative style reminiscent of Mary Roach and Jerry Coyne. With illustrations throughout and vivid field anecdotes—among them laser surgery on a fruit fly’s privates and a snail orgy—Nature’s Nether Regions is a celebration of life in all shapes and sizes.

Author: Radu Cornel Guiaşu
Publisher: BRILL
ISBN: 9047426134
Category : Science
Languages : en
Pages : 328

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Book Description
The young field of invasion biology - initially a branch of ecology and conservation biology - has greatly expanded, particularly in the last two and a half decades or so. As a result, the potential negative effects of introduced species have been widely advertised and sometimes, perhaps, overemphasized. This book attempts to restore some balance to the current debate over the role of non-native species, by offering a broader perspective, and taking a longer term, evolutionary look at these species and their impact in their new environments. The relatively arbitrary nature of terms such as "native" and "non-native", and the rather inconsistent ways in which such terms are applied to biological species, as well as the subjective boundaries of so-called "native ranges" are analyzed. The role of non-native species in their new environments can be considerably more complex than the anti-introduced species information would often suggest. Thus, the more positive and nuanced perspective on introduced species and their impact offered in this book is much needed and long overdue.

Author: Werner Kunz
Publisher: John Wiley & Sons
ISBN: 3527664262
Category : Science
Languages : en
Pages : 371

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Book Description
A readily comprehensible guide for biologists, field taxonomists and interested laymen to one of the oldest problems in biology: the species problem. Written by a geneticist with extensive experience in field taxonomy, this practical book provides the sound scientific background to the problems arising with classifying organisms according to species. It covers the main current theories of specification and gives a number of examples that cannot be explained by any single theory alone.

Author: Menno Schilthuizen
Publisher: Springer Science & Business Media
ISBN: 3540680586
Category : Science
Languages : en
Pages : 174

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Book Description
In an age of increasing environmental problems, ecology has had to grow up fast from a discipline dealing with relatively simple interactions between species to one that tries to explain changes in global patterns of diversity and richness. The issues are complex. Every species may seem to have its own unique role, but if that is true, then why are there hundreds of species of plankton in an ecosystem with only a handful of niches? The tropics have a high biodiversity, but does anybody know why? And how can a single introduced tree species wreak havoc in Hawaii’s rainforests, when it is one of thousands of quietly coexisting tree species in its native continent, South America? The strength of this book is that it will help digest some of these more complex issues in the ecology of biodiversity. It will do this by zooming out from the local scale to the global scale in a number of steps, marrying community ecology with macroecology, and introducing unexpected nuggets of natural history along the way. The reader will notice that, the larger the scale, the more the familiar niche-concept appears to be overshadowed by exotic fields from fractal and complexity theory. However, scientists differ in opinion on the scale at which niches become irrelevant. These differences of opinion, but also the search for unified ecological theories, will form another force by which the story will be carried along to its conclusion. A conclusion which, surprisingly, seeks to find a glimpse of the globe's future in the traces from its past.