The Polychaete Worms

The Polychaete Worms PDF Author: Kristian Fauchald
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 206

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The Polychaete Worms

The Polychaete Worms PDF Author: Kristian Fauchald
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 206

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Book Description


A Monograph of the British Annelids ...

A Monograph of the British Annelids ... PDF Author: William Carmichael McIntosh
Publisher:
ISBN:
Category : Annelida
Languages : en
Pages : 164

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Marine Polychaete Worms of the New England Region

Marine Polychaete Worms of the New England Region PDF Author: Marian H. Pettibone
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 368

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The effect of different pollutants on ecologically important polychaete worms

The effect of different pollutants on ecologically important polychaete worms PDF Author: Donald J. Reish
Publisher:
ISBN:
Category : Heavy metals
Languages : en
Pages : 152

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An Illustrated Guide to the Estuarine Polychaete Worms of New South Wales

An Illustrated Guide to the Estuarine Polychaete Worms of New South Wales PDF Author: Pat A. Hutchings
Publisher:
ISBN: 9780909346034
Category : Annelida
Languages : en
Pages : 160

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Polychaetes

Polychaetes PDF Author: Gregory Rouse
Publisher: Oxford University Press
ISBN: 9780198506089
Category : Science
Languages : en
Pages : 392

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Book Description
Polychaetes are very common marine worms belonging to the Annelid family that are of interest to marine biologists and invertebrate zoologists. The book presents an understanding of the biology of this group with many illustrations.

Marine Polychaete Worms of the New England Region: Families Aphroditidae through Trochochaetidae

Marine Polychaete Worms of the New England Region: Families Aphroditidae through Trochochaetidae PDF Author: Marian H. Pettibone
Publisher:
ISBN:
Category : Polychaeta
Languages : en
Pages : 498

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Book Description
The polychaetes of the Atlantic coast of New England are still imperfectly known. The present study attempts to give as complete a representation of the New England polychaete fauna as is now possible, to systematize knowledge of the polychaete species known from this New England region of the American coast, and to furnish keys designed to facilitate their identification.

Transitions Between Sexual Systems

Transitions Between Sexual Systems PDF Author: Janet L. Leonard
Publisher: Springer
ISBN: 3319941399
Category : Science
Languages : en
Pages : 363

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Book Description
This book focuses on explaining the distribution of sexual systems (simultaneous hermaphroditism, sequential hermaphroditism, environmental sex determination,dioecy, androdioecy, etc.) among taxa, which remains a major challenge in evolutionary biology. Although significant advances have been made for angiosperms, there is not yet a theory that predicts the sexual system for the majority of animal taxa, and other taxa of plants also remain poorly understood. The problem, particularly for animals, is that sexual systems can be very conservative, with whole phyla and classes being characterized by a single sexual system; for example essentially the whole phylum Platyhelminthes is simultaneously hermaphroditic, whereas the Insecta (Hexapoda) and the Tetrapoda among the vertebrates, are exclusively dioecious. Sex allocation theory on the other hand, suggests that sexual systems should be highly responsive to evolution, changing with population density, life span, patterns of resource availability, etc. The book provides an overview of the topic and then presents a series of chapters, each dealing with a taxon with substantial lability in sexual system in order to identify the factors associated with changes in sexual system in each case. By doing so, the authors reveal factors that have not been considered in formal theory but seem to have a major impact on transitions between sexual systems. This book appeals to a wide readership in fields from zoology and evolutionary biology to botany.

Polychaete Worms

Polychaete Worms PDF Author: C. C. A. Monro
Publisher:
ISBN:
Category : Polychaeta
Languages : en
Pages : 222

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The Types of the Polychaete Worms of the Families Polynoidae and Polyodontidae in the United States National Museum and the Description of a New Genus

The Types of the Polychaete Worms of the Families Polynoidae and Polyodontidae in the United States National Museum and the Description of a New Genus PDF Author: Olga Hartman
Publisher:
ISBN:
Category : Polychaeta
Languages : en
Pages : 28

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