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Sea Urchins of the World

Sea Urchins of the World PDF Author: Ashley Miskelly
Publisher:
ISBN: 9780646518961
Category : Sea urchins
Languages : en
Pages : 104

Book Description


Sea Urchins of the World

Sea Urchins of the World PDF Author: Ashley Miskelly
Publisher:
ISBN: 9780646518961
Category : Sea urchins
Languages : en
Pages : 104

Book Description


Sea Stars and Other Echinoderms

Sea Stars and Other Echinoderms PDF Author: Theresa Svancara
Publisher:
ISBN: 9780716614586
Category : Animals
Languages : en
Pages : 64

Book Description
Questions and answers explore the world of animals.

The Star-Crossed Stone

The Star-Crossed Stone PDF Author: Ken McNamara
Publisher: University of Chicago Press
ISBN: 0226514714
Category : Science
Languages : en
Pages : 281

Book Description
Throughout the four hundred thousand years that humanity has been collecting fossils, sea urchin fossils, or echinoids, have continually been among the most prized, from the Paleolithic era, when they decorated flint axes, to today, when paleobiologists study them for clues to the earth’s history. In The Star-Crossed Stone, Kenneth J. McNamara, an expert on fossil echinoids, takes readers on an incredible fossil hunt, with stops in history, paleontology, folklore, mythology, art, religion, and much more. Beginning with prehistoric times, when urchin fossils were used as jewelry, McNamara reveals how the fossil crept into the religious and cultural lives of societies around the world—the roots of the familiar five-pointed star, for example, can be traced to the pattern found on urchins. But McNamara’s vision is even broader than that: using our knowledge of early habits of fossil collecting, he explores the evolution of the human mind itself, drawing striking conclusions about humanity’s earliest appreciation of beauty and the first stirrings of artistic expression. Along the way, the fossil becomes a nexus through which we meet brilliant eccentrics and visionary archaeologists and develop new insights into topics as seemingly disparate as hieroglyphics, Beowulf, and even church organs. An idiosyncratic celebration of science, nature, and human ingenuity, The Star-Crossed Stone is as charming and unforgettable as the fossil at its heart.

Sea Urchins

Sea Urchins PDF Author: Martha E. H. Rustad
Publisher: Bellwether Media
ISBN: 1612111564
Category : Juvenile Nonfiction
Languages : en
Pages : 26

Book Description
"Simple text and supportive images introduce beginning readers to Sea Urchins. Intended for students in kindergarten through third grade"--Provided by publisher.

What If Sea Urchins Disappeared?

What If Sea Urchins Disappeared? PDF Author: Theresa Emminizer
Publisher: Gareth Stevens Publishing LLLP
ISBN: 1538238292
Category : Juvenile Nonfiction
Languages : en
Pages : 24

Book Description
From the fiercest predator to the lowliest plant, every member of an ecosystem is immeasurably important to the survival of their environment. Although they're not regarded as a keystone species, sea urchins play a pivotal role in maintaining healthy marine environments. Without sea urchins to consume algae, entire coral reef ecosystems could collapse. This educational text invites readers to imagine a world without sea urchins, delving into curricular science concepts, such as interdependence of species, with accessible language and real-world examples.

Echinoderm Aquaculture

Echinoderm Aquaculture PDF Author: Nicholas Brown
Publisher: John Wiley & Sons
ISBN: 0470960388
Category : Technology & Engineering
Languages : en
Pages : 386

Book Description
Sea urchins and sea cucumbers are highly sought after delicacies growing in popularity globally. The demand for these species is rapidly outpacing natural stocks, and researchers and seafood industry personnel are now looking towards aquaculture as a means of providing a sustainable supply of these organism. Echinoderm Aquaculture is a practical reference on the basic biology and current culture practices for a wide range of geographically diverse echinoderm species. Echinoderm Aquaculture begins by examining the basic ecology and biology of sea urchins and sea cucumbers as well as the breadth of uses of these organisms as a source of food and bioactive compound. Subsequent chapters delineate the specific species of interest invarious geographic regions from around the world. Together, chapters provide a comprehensive coverage of culture practices. Echinoderm Aquaculture is a practical reference for researchers and industry personnel, and will serve as an invaluable resource to this rapidly growing segment of the aquaculture industry.

Sea Urchins

Sea Urchins PDF Author: Edgar Raymond Banks
Publisher: Nova Science Pub Incorporated
ISBN: 9781633215177
Category : Science
Languages : en
Pages : 116

Book Description
Sea urchins play a key role in marine ecosystems, controlling through its grazing activity the dynamic, structure and composition of seaweed and sea grasses. Moreover, it is a crucial component of the food web, as prey for fishes and other marine animals. Due to its sedentary habits and sensitivity to pollutants, adult sea urchin has been used in several studies as a biological-biochemical indicator of local pollution. This book provides several topics on sea urchins. It discusses the phenotypic variation and resilience in sea urchin morphogenesis; response of sea urchins to environmental stress; nonparametric regression applied to sea urchin growth; and sea urchin immune systems.

SEA STARS SEA URCHINS ALLIES

SEA STARS SEA URCHINS ALLIES PDF Author: HENDLE GORDON
Publisher: Smithsonian
ISBN: 9781560984504
Category : Echinodermata
Languages : en
Pages : 0

Book Description
Echinoderms, the star fish skeletons that beachcombers collect, are brilliantly colored and intricately ornamented creatures in their natural habitat. This reference features over 130 color photographs of five classes of echinoderms (sea stars, brittle stars, sea urchins, feather stars, and sea cucu

Sea Urchins of Australia and the Indo-Pacific

Sea Urchins of Australia and the Indo-Pacific PDF Author: Ashley Miskelly
Publisher:
ISBN: 9780957745568
Category : Sea urchins
Languages : en
Pages : 180

Book Description


The Curious World of Seaweed

The Curious World of Seaweed PDF Author: Josie Iselin
Publisher: Heyday Books
ISBN: 9781597144827
Category : Nature
Languages : en
Pages : 256

Book Description
Marine algae are the supreme eco-engineers of life: they oxygenate the waters, create habitat for countless other organisms, and form the base of a food chain that keeps our planet unique in the universe as we know it. In this beautiful volume Josie Iselin explores both the artistic and the biological presence of sixteen seaweeds and kelps that live in the thin region where the Pacific Ocean converges with the North American continent--a place of incomparable richness. Each species receives a detailed description of its structure, ecological importance, and humans' scientific inquiry into it, told in scientifically illuminating yet deeply reverent and inspired prose. Throughout the writings are historical botanical illustrations and Iselin's signature, Marimekko-like portraits of each specimen that reveal their vibrant colors--whether rosy, "olivaceous," or grass-green--and whimsical shapes. Iselin posits that we can learn not only about the seaweeds but also from them: their resilience, their resourcefulness, their poetry and magic.