Author: George John Romanes
Publisher:
ISBN:
Category : Jellyfishes
Languages : en
Pages : 350
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"Among the most beautiful, as well as the most common, of the marine animals which are to be met with upon our coasts are the jelly-fish and the starfish. Scarcely any one is so devoid of the instincts either of the artist or of the naturalist as not to have watched these animals with blended emotions of the aesthetic and the scientific--feeling the beauty while wondering at the organization. How many of us who live for most of the year in the fog and dust of large towns enjoy with the greater zest our summer's holiday at the seaside? And in the memories of most of us is there not associated with the picture of breaking waves and sea-birds floating indifferently in the blue sky or on the water still more blue, the thoughts of many a ramble among the weedy rocks and living pools, where for the time being we all become naturalists, and where those who least know what they are likely to find in their search are most likely to approach the keen happiness of childhood? If so, the image of the red sea-stars bespangling a mile of shining sand, or decorating the darkness of a thousand grottoes, must be joined with the image, no less vivid, of those crystal globes pulsating with life and gleaming with all the colours of the rainbow, which are perhaps the most strange, and certainly in my estimation the most delicately lovely creatures in the world"--Introduction. (PsycINFO Database Record (c) 2010 APA, all rights reserved).
Author: George John Romanes
Publisher:
ISBN:
Category : Invertebrates
Languages : en
Pages : 344
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Author: Sol 90
Publisher: Encyclopaedia Britannica, Inc.
ISBN: 1615358250
Category : Juvenile Nonfiction
Languages : en
Pages : 55
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Book Description
Updated for 2013, Invertebrates, is one book in the Britannica Illustrated Science Library Series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics-more than 1,000 per title-combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.
Author: Ramsamy Santhanam
Publisher: Academic Press
ISBN: 0128158344
Category : Medical
Languages : en
Pages : 314
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Book Description
Biology and Ecology of Venomous Marine Scorpionfishes examines the diversity, utilization, and ways to safeguard against the world’s most dangerous fish species. It covers the biological and ecological factors that differentiate each species in the Scorpaeninae (Scorpionfish) family and its Pteroinae (Lionfish) subfamily. This book offers important anatomical and identification information on marine scorpionfishes and delves into the diversity, habits and behaviors of each venomous species. In addition, it discusses the health risks that can plague these fish in and out of the wild, including parasites. This book is an essential resource to educate marine biology researchers and students on the various species of scorpionfish that also provides sea-goers with a guide that will help protect them against venomous stings from these fish. Details the importance of researching and safeguarding against scorpionfishes Covers venomous scorpionfish species within 25 genera, including various lionfish, rockfish and the blackfoot firefish Details the anatomy of scorpionfishes to prevent human contact with their numerous barbs
Author: John H. Byrne
Publisher: Oxford University Press
ISBN: 0190456779
Category : Science
Languages : en
Pages : 777
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Book Description
Invertebrates have proven to be extremely useful model systems for gaining insights into the neural and molecular mechanisms of sensory processing, motor control and higher functions such as feeding behavior, learning and memory, navigation, and social behavior. A major factor in their enormous contributions to neuroscience is the relative simplicity of invertebrate nervous systems. In addition, some invertebrates, primarily the molluscs, have large cells, which allow analyses to take place at the level of individually identified neurons. Individual neurons can be surgically removed and assayed for expression of membrane channels, levels of second messengers, protein phosphorylation, and RNA and protein synthesis. Moreover, peptides and nucleotides can be injected into individual neurons. Other invertebrate model systems such as Drosophila and Caenorhabditis elegans offer tremendous advantages for obtaining insights into the neuronal bases of behavior through the application of genetic approaches. The Oxford Handbook of Invertebrate Neurobiology reviews the many neurobiological principles that have emerged from invertebrate analyses, such as motor pattern generation, mechanisms of synaptic transmission, and learning and memory. It also covers general features of the neurobiology of invertebrate circadian rhythms, development, and regeneration and reproduction. Some neurobiological phenomena are species-specific and diverse, especially in the domain of the neuronal control of locomotion and camouflage. Thus, separate chapters are provided on the control of swimming in annelids, crustaea and molluscs, locomotion in hexapods, and camouflage in cephalopods. Unique features of the handbook include chapters that review social behavior and intentionality in invertebrates. A chapter is devoted to summarizing past contributions of invertebrates to the understanding of nervous systems and identifying areas for future studies that will continue to advance that understanding.
Author: John Tyndall
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 364
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Author: Charles Merivale
Publisher:
ISBN:
Category : Rome
Languages : en
Pages : 1004
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Author: Joseph LeConte
Publisher:
ISBN:
Category : Evolution
Languages : en
Pages : 384
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Author: Arabella Burton Buckley
Publisher:
ISBN:
Category : Ethics
Languages : en
Pages : 160
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Author: Herbert Spencer
Publisher:
ISBN:
Category : Psychology
Languages : en
Pages : 780
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