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Echinoderm Larvae

Echinoderm Larvae PDF Author: Herbert Clifton Chadwick
Publisher:
ISBN:
Category : Echinodermata
Languages : en
Pages : 64

Book Description

Echinoderm Larvae

Echinoderm Larvae PDF Author: Herbert Clifton Chadwick
Publisher:
ISBN:
Category : Echinodermata
Languages : en
Pages : 64

Book Description

Studies of the Development and Larval Forms of Echinoderms

Studies of the Development and Larval Forms of Echinoderms PDF Author: Theodor Mortensen
Publisher:
ISBN:
Category : Echinodermata
Languages : en
Pages : 340

Book Description

Larvae and Evolution

Larvae and Evolution PDF Author: D. Williamson
Publisher: Springer Science & Business Media
ISBN: 9401580774
Category : Science
Languages : en
Pages : 235

Book Description
Many biological facts are irreconcilable with the assumption that larvae and adults evolved from the same genetic stock. The author of this book draws attention to these, and presents his alternative hypothesis that larvae have been transferred from one taxon to another. In his previous book (Larvae and Evolution, 1992), the author used larval transfer to explain developmental anomalies in eight animal phyla. In the present book, he claims that the basic forms of all larvae and all embryos have been transferred from foreign taxa. This leads to a new, comprehensive theory on the origin of embryos and larvae, replacing the discredited 'recapitulation' theory of Haeckel (1866). Metamorphosis, previously unexplained, represents a change in taxon during development.

The Origins of Larvae

The Origins of Larvae PDF Author: D. Williamson
Publisher: Springer Science & Business Media
ISBN: 9401703574
Category : Science
Languages : en
Pages : 271

Book Description
Many biological facts are irreconcilable with the assumption that larvae and adults evolved from the same genetic stock. The author of this book draws attention to these, and presents his alternative hypothesis that larvae have been transferred from one taxon to another. In his previous book (Larvae and Evolution, 1992), the author used larval transfer to explain developmental anomalies in eight animal phyla. In the present book, he claims that the basic forms of all larvae and all embryos have been transferred from foreign taxa. This leads to a new, comprehensive theory on the origin of embryos and larvae, replacing the discredited 'recapitulation' theory of Haeckel (1866). Metamorphosis, previously unexplained, represents a change in taxon during development.

Echinoderms

Echinoderms PDF Author:
Publisher: Academic Press
ISBN: 0128159553
Category : Science
Languages : en
Pages : 504

Book Description
Echinoderms, Volume 150 in the Methods in Cell Biology series, highlights new advances in the field, with this update presenting interesting chapters on procuring animals and culturing of eggs and embryos, cryopreservation of sea urchin gametes, emerging echinoderm models, culturing of sand dollars, cidaroids and heart urchins, culturing echinoderm larvae through metamorphosis, microinjection methods, injection of exogenous messages and protein overexpression, blastomere transplantation, visualization of embryonic polarity, larval immune cell approaches, methods for analysis of sea urchin primordial germ cells, and protocols and best practices for toxicology and pH studies using echinoderms and several new chapters outlining the use of sea urchins in the classroom. Clear, concise protocols provided by experts who have established the echinoderms as a model system Highlights new advances in the field, with this update presenting interesting chapters on echinoderms

Echinoderm Larvae of Beaufort

Echinoderm Larvae of Beaufort PDF Author: Josephine Abigail Bierman
Publisher:
ISBN:
Category : Echinodermata
Languages : en
Pages : 51

Book Description

Starfish, Urchins, and Other Echinoderms

Starfish, Urchins, and Other Echinoderms PDF Author:
Publisher: Capstone
ISBN: 9780756516116
Category : Juvenile Nonfiction
Languages : en
Pages : 52

Book Description
Introduces the physical characteristics, habitat, and types of echinoderms, including starfish, sea urchins, and sea cucumbers.

Studies of the Development and Larval Forms of Echinoderms

Studies of the Development and Larval Forms of Echinoderms PDF Author: Theodor Mortensen
Publisher:
ISBN:
Category :
Languages : en
Pages : 261

Book Description

Larvae of Marine Bivalves and Echinoderms

Larvae of Marine Bivalves and Echinoderms PDF Author: V. L. Kasʹi︠a︡nov
Publisher: Science Publishers
ISBN:
Category : Science
Languages : en
Pages : 308

Book Description
This text describes larvae of bivalves and echinoderms living in the Sea of Japan, which are or may be economically important, and where adult forms are dominant in benthic communities. Descriptions of 18 species of bivalves and 10 species of echinoderms are given and keys provided for the identification of planktotrophic larvae of bivalves and echinoderms to the family level. Information on identified species is preceded by a description of teh morphology, physiology and behaviour of larvae of the given classes.

Echinoderm Research

Echinoderm Research PDF Author: Michel Jangoux
Publisher: CRC Press
ISBN: 9789061911418
Category : Science
Languages : en
Pages : 366

Book Description
This book is an outcome of the second European conference on Echinoderm brussels held in Belgium in 1989. It covers the following areas of research in echinoderm: paleontology, reproduction, development and larval biology, evolution, systematics and biogeography, morphology and physiology.
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