Animal Eyes PDF Download
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Author: Michael F. Land
Publisher: OUP Oxford
ISBN: 0191625361
Category : Science
Languages : en
Pages : 288
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Book Description
Animal Eyes provides a comparative account of all known types of eye in the animal kingdom, outlining their structure and function with an emphasis on the nature of the optical systems and the physical principles involved in image formation. A universal theme throughout the book is the evolution and taxonomic distribution of each type of eye, and the roles of different eye types in the behaviour and ecology of the animals that possess them. In comparing the specific capabilities of eyes, it considers the factors that lead to good resolution of detail and the ability to function under a wide range of light conditions. This new edition is fully updated throughout, incorporating more than a decade of new discoveries and research.
Author: Michael F. Land
Publisher: Oxford University Press
ISBN: 0199581134
Category : Science
Languages : en
Pages : 291
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Book Description
This book covers the way that all known types of eyes work, from their optics to the behaviour they guide. The ways that eyes sample the world in space and time are considered, and the evolutionary origins of eyes are discussed. This new edition incorporates discoveries made since the first edition published in 2001.
Author: Paisley Rekdal
Publisher: University of Pittsburgh Press
ISBN: 0822978385
Category : Poetry
Languages : en
Pages : 113
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Book Description
Voted one of the five best poetry collections for 2012 by Publishers Weekly, Animal Eye employs pastoral motifs to engage a discourse on life and love, as Coal Hill Review states "It is as if a scientist is at work in the basement of the museum of natural history, building a diorama of an entire ecosystem via words. She seem snot only interested in using the natural world as a metaphoric lens in her poems but is set on building them item by item into natural worlds themselves."
Author: Beth Fielding
Publisher: Charlesbridge
ISBN: 1607343959
Category : Juvenile Nonfiction
Languages : en
Pages : 38
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Book Description
Explores the world of animal eyes, explaning how eyes work, why different animals have different types of eyes, and what each animal specifically uses them for.
Author: Michael F. Land
Publisher: OUP Oxford
ISBN: 0191625361
Category : Science
Languages : en
Pages : 288
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Book Description
Animal Eyes provides a comparative account of all known types of eye in the animal kingdom, outlining their structure and function with an emphasis on the nature of the optical systems and the physical principles involved in image formation. A universal theme throughout the book is the evolution and taxonomic distribution of each type of eye, and the roles of different eye types in the behaviour and ecology of the animals that possess them. In comparing the specific capabilities of eyes, it considers the factors that lead to good resolution of detail and the ability to function under a wide range of light conditions. This new edition is fully updated throughout, incorporating more than a decade of new discoveries and research.
Author:
Publisher: Academic Press
ISBN: 0080921035
Category : Science
Languages : en
Pages : 230
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Book Description
The eye is a complex sensory organ, which enables visual perception of the world. Thus the eye has several tissues that do different tasks. One of the most basic aspects of eye function is the sensitivity of cells to light and its transduction though the optic nerve to the brain. Different organisms use different ways to achieve these tasks. In this sense, eye function becomes a very important evolutionary aspect as well. This book presents the different animal models that are commonly used for eye research and their uniqueness in evaluating different aspects of eye development, evolution, physiology and disease. - Presents information on the major animal models used in eye research including invertebrates and vertebrates - Provides researchers with information needed to choose between model organisms - Includes an introductory chapter on the different types of eyes, stressing possible common molecular machinery
Author: Wendy Perkins
Publisher: Capstone
ISBN: 9780736863490
Category : Juvenile Nonfiction
Languages : en
Pages : 28
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Book Description
"Simple text and photographs present the animal eyes, how they work, and how different animals use them"--Provided by publisher.
Author: Amy Johnson
Publisher: John Wiley & Sons
ISBN: 1118770285
Category : Medical
Languages : en
Pages : 242
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Book Description
Small Animal Pathology for Veterinary Technicians fosters an understanding of small animal diseases, relating pathology information to the responsibilities of technicians in the clinical setting. Beginning with the technician’s role in pathology, terminology, and the process of diagnosis, chapters then cover diseases organized by system. From reproductive, endocrine, and eye disease to urinary tract and infectious diseases, the book offers in-depth information on a wide range of commonly presented diseases, providing technicians with practical information linked to their daily tasks. Each body system includes a brief review of anatomy and function, full-color pictures, and tip boxes to help emphasize important issues. A companion website offers images from the book, review questions, and case studies illustrating the process of handling the patient at www.wiley.com/go/johnsonvettechpath. Veterinary technician students and veterinary technicians in practice will find this a valuable resource to understanding disease and the process of diagnosis.
Author: R. Eric Miller
Publisher: Elsevier Health Sciences
ISBN: 032356951X
Category : Medical
Languages : en
Pages : 761
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Book Description
Bringing together a globally diverse range of timely topics related to zoo and wild animals, Fowler's Zoo and Wild Animal Medicine, Volume 9 is an invaluable tool for any professional working directly with wildlife and zoo animals. The text's user-friendly format guides readers through biology, anatomy, and special physiology; reproduction; restraint and handling; housing requirements; nutrition and feeding; surgery and anesthesia; diagnostics, and therapeutics for each animal. Two new co-editors and a globally diverse group of expert contributors each lend their expertise on a wide range of new topics — including a new section on emerging wildlife diseases covering topics like MERS, Equine Herpesvirus, and Ebola in great apes. Other new topics integrated into this ninth volume include: stem cell therapy in zoo medicine, cardiac disease in great apes, disease risk assessment in field studies, Tasmanian devil tumors, and the latest information on the elephant herpes virus. With all its synthesized coverage of emerging trends, treatment protocols, and diagnostic updates new to the field, Fowler's is a reference you don't want to be without. - Current therapy format ensures that each CT volume in the series covers all new topics that are relevant at the time of publication. - Synthesized topics offer the right amount of depth — often fewer than 10 pages — to maintain an accessible format. - General taxon-based format covers all terrestrial vertebrate taxa plus selected topics on aquatic and invertebrate taxa. - Updated information from the Zoological Information Management System (ZIMS) has been incorporated to keep readers up to date on this worldwide system. - Globally diverse panel of expert contributors each incorporate the latest research and clinical management of captive and free-ranging wild animals throughout the world. - NEW! Two new co-editors (for a total of three editors) each lend their expertise on a wide range of new wild and zoo animal topics. - NEW! Section on emerging wildlife diseases includes chapters on MERS, SARS, Ebola in great apes, and a variety of other emerging wildlife diseases.
Author: James Martel
Publisher: Routledge
ISBN: 1135957053
Category : Political Science
Languages : en
Pages : 286
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Book Description
Notions of love intersect with ideas on personal liberty, obligation, individuality, self, and difference in this study. James Martel contends that theorists' inattention to the subject has impoverished our explorations of political discourse.
Author: Mark Changizi
Publisher: BenBella Books
ISBN: 1935251767
Category : Science
Languages : en
Pages : 243
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Book Description
In The Vision Revolution: How the Latest Research Overturns Everything We Thought We Knew About Human Vision, Mark Changizi, prominent neuroscientist and vision expert, addresses four areas of human vision and provides explanations for why we have those particular abilities, complete with a number of full-color illustrations to demonstrate his conclusions and to engage the reader. Written for both the casual reader and the science buff hungry for new information, The Vision Revolution is a resource that dispels commonly believed perceptions about sight and offers answers drawn from the field's most recent research. Changizi focuses on four “why" questions: 1. Why do we see in color? 2. Why do our eyes face forward? 3. Why do we see illusions? 4. Why does reading come so naturally to us? Why Do We See in Color? It was commonly believed that color vision evolved to help our primitive ancestors identify ripe fruit. Changizi says we should look closer to home: ourselves. Human color vision evolved to give us greater insights into the mental states and health of other people. People who can see color changes in skin have an advantage over their color-blind counterparts; they can see when people are blushing with embarrassment, purple-faced with exertion or the reddening of rashes. Changizi's research reveals that the cones in our eyes that allow us to see color are exquisitely designed exactly for seeing color changes in the skin. And it's no coincidence that the primates with color vision are the ones with bare spots on their faces and other body parts; Changizi shows that the development of color vision in higher primates closely parallels the loss of facial hair, culminating in the near hairlessness and highly developed color vision of humans. Why Do Our Eyes Face Forward? Forward-facing eyes set us apart from most mammals, and there is much dispute as to why we have them. While some speculate that we evolved this feature to give us depth perception available through stereo vision, this type of vision only allows us to see short distances, and we already have other mechanisms that help us to estimate distance. Changizi's research shows that with two forward-facing eyes, primates and humans have an x-ray ability. Specifically, we're able to see through the cluttered leaves of the forest environment in which we evolved. This feature helps primates see their targets in a crowded, encroached environment. To see how this works, hold a finger in front of your eyes. You'll find that you're able to look “through" it, at what is beyond your finger. One of the most amazing feats of two forward-facing eyes? Our views aren't blocked by our noses, beaks, etc. Why Do We See Illusions? We evolved to see moving objects, not where they are, but where they are going to be. Without this ability, we couldn't catch a ball because the brain's ability to process visual information isn't fast enough to allow us to put our hands in the right place to intersect for a rapidly approaching baseball. “If our brains simply created a perception of the way the world was at the time light hit the eye, then by the time that perception was elicited—which takes about a tenth of a second for the brain to do—time would have marched on, and the perception would be of the recent past," Changizi explains. Simply put, illusions occur when our brain is tricked into thinking that a stationary two-dimensional picture has an element that is moving. Our brains project the “moving" element into the future and, as a result, we don't see what's on the page, but what our brain thinks will be the case a fraction of a second into the future. Why Does Reading Come So Naturally to Us? We can read faster than we can hear, which is odd, considering that reading is relatively recent,
