Learned Food Odor Preferences of Land Hermit Crabs PDF Download
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Author: Robert Wesley Thacker
Publisher:
ISBN:
Category : Coenobitidae
Languages : en
Pages : 242
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Book Description
Land hermit crabs locate foods by detecting volatile chemical cues. Sequences of food choices made by individual crabs revealed that choices depended upon the immediately previous choice, with the previously chosen food less preferred. Food odor preferences were manipulated in the field by exposing crab populations to different foods before testing their preferences. In both the individual- and population-level tests, land hermit crabs displayed negative preference induction. Neither sex nor age influenced land hermit crab food odor preferences. Crabs needed 9 hours to learn food odor preferences and remembered these preferences for 6 hours.
Author: Robert Wesley Thacker
Publisher:
ISBN:
Category : Coenobitidae
Languages : en
Pages : 242
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Book Description
Land hermit crabs locate foods by detecting volatile chemical cues. Sequences of food choices made by individual crabs revealed that choices depended upon the immediately previous choice, with the previously chosen food less preferred. Food odor preferences were manipulated in the field by exposing crab populations to different foods before testing their preferences. In both the individual- and population-level tests, land hermit crabs displayed negative preference induction. Neither sex nor age influenced land hermit crab food odor preferences. Crabs needed 9 hours to learn food odor preferences and remembered these preferences for 6 hours.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 876
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Book Description
Author:
Publisher:
ISBN:
Category : Animal behavior
Languages : en
Pages : 1408
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 800
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Book Description
Author: T.F.H. Publications, Inc
Publisher: TFH Publications
ISBN: 9780793810147
Category : Nature
Languages : en
Pages : 68
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Book Description
With quick and easy instructions, Hermit Crab Care will help you set up your hermit crab's terrarium and provide you with all the necessary information you need to know to keep your new pet happy and healthy. Accompanied by quick tip boxes and full-color photos, Hermit Crab Care ensures a great start and a longer, happier life for your new pet. Book jacket.
Author: Sarah J. Robinson
Publisher: WaterBrook
ISBN: 0593193539
Category : Religion
Languages : en
Pages : 257
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Book Description
A compassionate, shame-free guide for your darkest days “A one-of-a-kind book . . . to read for yourself or give to a struggling friend or loved one without the fear that depression and suicidal thoughts will be minimized, medicalized or over-spiritualized.”—Kay Warren, cofounder of Saddleback Church What happens when loving Jesus doesn’t cure you of depression, anxiety, or suicidal thoughts? You might be crushed by shame over your mental illness, only to be told by well-meaning Christians to “choose joy” and “pray more.” So you beg God to take away the pain, but nothing eases the ache inside. As darkness lingers and color drains from your world, you’re left wondering if God has abandoned you. You just want a way out. But there’s hope. In I Love Jesus, But I Want to Die, Sarah J. Robinson offers a healthy, practical, and shame-free guide for Christians struggling with mental illness. With unflinching honesty, Sarah shares her story of battling depression and fighting to stay alive despite toxic theology that made her afraid to seek help outside the church. Pairing her own story with scriptural insights, mental health research, and simple practices, Sarah helps you reconnect with the God who is present in our deepest anguish and discover that you are worth everything it takes to get better. Beautifully written and full of hard-won wisdom, I Love Jesus, But I Want to Die offers a path toward a rich, hope-filled life in Christ, even when healing doesn’t look like what you expect.
Author: Jenny Odell
Publisher: Melville House
ISBN: 1612198554
Category : Technology & Engineering
Languages : en
Pages : 259
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Book Description
** A New York Times Bestseller ** NAMED ONE OF THE BEST BOOKS OF THE YEAR BY: Time • The New Yorker • NPR • GQ • Elle • Vulture • Fortune • Boing Boing • The Irish Times • The New York Public Library • The Brooklyn Public Library "A complex, smart and ambitious book that at first reads like a self-help manual, then blossoms into a wide-ranging political manifesto."—Jonah Engel Bromwich, The New York Times Book Review One of President Barack Obama's "Favorite Books of 2019" Porchlight's Personal Development & Human Behavior Book of the Year In a world where addictive technology is designed to buy and sell our attention, and our value is determined by our 24/7 data productivity, it can seem impossible to escape. But in this inspiring field guide to dropping out of the attention economy, artist and critic Jenny Odell shows us how we can still win back our lives. Odell sees our attention as the most precious—and overdrawn—resource we have. And we must actively and continuously choose how we use it. We might not spend it on things that capitalism has deemed important … but once we can start paying a new kind of attention, she writes, we can undertake bolder forms of political action, reimagine humankind’s role in the environment, and arrive at more meaningful understandings of happiness and progress. Far from the simple anti-technology screed, or the back-to-nature meditation we read so often, How to do Nothing is an action plan for thinking outside of capitalist narratives of efficiency and techno-determinism. Provocative, timely, and utterly persuasive, this book will change how you see your place in our world.
Author: Tristram D. Wyatt
Publisher: Cambridge University Press
ISBN: 0521112907
Category : Medical
Languages : en
Pages : 425
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Book Description
This book explains how animals use chemical communication, emphasising the evolutionary context and covering fields from ecology to neuroscience and chemistry.
Author: Mark Walderhaug
Publisher: Createspace Independent Publishing Platform
ISBN: 9781495203619
Category : Medical
Languages : en
Pages : 292
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Book Description
The Bad Bug Book 2nd Edition, released in 2012, provides current information about the major known agents that cause foodborne illness.Each chapter in this book is about a pathogen—a bacterium, virus, or parasite—or a natural toxin that can contaminate food and cause illness. The book contains scientific and technical information about the major pathogens that cause these kinds of illnesses.A separate “consumer box” in each chapter provides non-technical information, in everyday language. The boxes describe plainly what can make you sick and, more important, how to prevent it.The information provided in this handbook is abbreviated and general in nature, and is intended for practical use. It is not intended to be a comprehensive scientific or clinical reference.The Bad Bug Book is published by the Center for Food Safety and Applied Nutrition (CFSAN) of the Food and Drug Administration (FDA), U.S. Department of Health and Human Services.
Author: Judith S. Weis
Publisher: Cornell University Press
ISBN: 0801466040
Category : Nature
Languages : en
Pages : 265
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Book Description
The world's nearly 7,000 species of crabs are immediately recognizable by their claws, sideways movement, stalked eyes, and thick outer shells. These common crustaceans are found internationally, thriving in various habitats from the edge of the sea to the depths of the ocean, in fresh water or on land. Despite having the same basic body type as decapod crustaceans-true crabs have heavy exoskeletons and ten limbs with front pincer claws-crabs come in an enormous variety of shapes and sizes, from the near microscopic to the giant Japanese spider crab. In Walking Sideways, Judith S. Weis provides an engaging and informative tour of the remarkable world of crabs, highlighting their unique biology and natural history. She introduces us to recently discovered crabs such as the Yeti crab found in deep sea vents, explains what scientists are learning about blue and hermit crabs commonly found at the shore, and gives us insight into the lifecycles of the king and Dungeness crabs typically seen only on dinner plates. Among the topics Weis covers are the evolution and classification of crabs, their habitats, unique adaptations to water and land, reproduction and development, behavior, ecology, and threats, including up-to-date research. Crabs are of special interest to biologists for their communication behaviors, sexual dimorphism, and use of chemical stimuli and touch receptors, and Weis explains the importance of new scientific discoveries. In addition to the traditional ten-legged crabs, the book also treats those that appear eight-legged, including hermit crabs, king crabs, and sand crabs. Sidebars address topics of special interest, such as the relationship of lobsters to crabs and medical uses of compounds derived from horseshoe crabs (which aren't really crabs). While Weis emphasizes conservation and the threats that crabs face, she also addresses the use of crabs as food (detailing how crabs are caught and cooked) and their commercial value from fisheries and aquaculture. She highlights other interactions between crabs and people, including keeping hermit crabs as pets or studying marine species in the laboratory and field. Reminding us of characters such as The Little Mermaid's Sebastian and Sherman Lagoon's Hawthorne, she also surveys the role of crabs in literature (for both children and adults), film, and television, as well in mythology and astrology. With illustrations that offer delightful visual evidence of crab diversity and their unique behaviors, Walking Sideways will appeal to anyone who has encountered these fascinating animals on the beach, at an aquarium, or in the kitchen.
