Titlebook: Evolutionary Biology of Primitive Fishes; R. E. Foreman,A. Gorbman,R. Olsson Book 1985 Springer Science+Business Media New York 1985 biolo

Absenteeism

Hans-Peter Burghof,Marcel Gehrungerved in vertebrates. In this respect, fishes have a special position because they are the first group of animals in which an immune system, characterized by the presence of specific antibodies, occurs.

insolence

Martinus Nijhoff Philosophy Librarythere is but scant physiological information on respiratory processes in phyletically ancient fishes. We thus have interpreted ‘primitive’ rather broadly in order best to convey the tremendous diversity of early evolutionary trends in gas exchange mechanisms exhibited by fishes.

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Early Development of Oral, Olfactory and Adenohypophyseal Structures of Agnathans and Its Evolution of this problem; the formation of the agnathan adenohypophysis and some contiguous structures from the nasopharyngeal canal, and the presumed homology of the nasopharyngeal canal with the adenohypophyseal anlage, or Rathke’s pouch, of higher vertebrates.

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Respiration in Phyletically Ancient Fishes,there is but scant physiological information on respiratory processes in phyletically ancient fishes. We thus have interpreted ‘primitive’ rather broadly in order best to convey the tremendous diversity of early evolutionary trends in gas exchange mechanisms exhibited by fishes.

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Book 1985 truly primitive. However, they and the fossil record have served to provide the information which forms the basis for speculation concerning the nature of the original vertebrates. This symposium of biologists from a variety of disciplines was called together to create collectively, from the best a

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considered truly primitive. However, they and the fossil record have served to provide the information which forms the basis for speculation concerning the nature of the original vertebrates. This symposium of biologists from a variety of disciplines was called together to create collectively, from

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