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Advances in the Biology of Turbellarians and Related Platyhelminthes
Proceedings of the Fourth International Symposium on the Turbellaria Held at Fredericton, New Brunswick, Canada, August 5-10, 1984
€ 329,99
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Omschrijving
While the reality of the taxon Turbellaria has been called into question lately, turbellarians are nevertheless the subject of active research by a sizable group of biologists. Turbellarians are relatives of the major groups of parasitic platyhelminthes - monogeneans, digeneans, and tapeworms - and most are free-living. Because the ancestors to the major parasitic groups would be classified as turbellarians, strict application of princi ples of phylogenetic systematics dictates that the Turbellaria is not properly considered a separate taxon; i. e., it is, in the parlance of systematics, a paraphyletic group. The relationships of turbellarians to other inver tebrates are even more problematic than their relationships to other platyhelminthes; their relatively simple morphology has been variously interpreted as quintessentially primitive - meaning a turbellarian-like ances tor would have given rise to most of the major groups of invertebrates - or as secondary simplification, meaning they would essentially be a dead-end group. Modern research on turbellarians covers a broad spectrum. Questions of phylogenetics have inspired ultrastructural studies; the simply structured nervous systems of turbellarians make them good subjects for neurophysiology; simplicity of their tissue structure and the limited number of cell types make them good subjects of embryological and regeneration studies; they are emerging as iIIJ. portant indicator species in ecolo gy; and improvements in biochemical methodology have meant they are at last amenable - despite their small size - to molecular biological study."
Specificaties
Betrokkenen
- Uitgeverij:
Inhoud
- Aantal bladzijden:
- 358
- Taal:
- Engels
- Reeks:
- Reeksnummer:
- nr. 32
Eigenschappen
- Productcode (EAN):
- 9789061935421
- Verschijningsdatum:
- 28/02/1986
- Uitvoering:
- Hardcover
- Formaat:
- Genaaid
- Afmetingen:
- 216 mm x 279 mm
- Gewicht:
- 1156 g
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