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Cet ouvrage est une réédition numérique d’un livre paru au XXe siècle, désormais indisponible dans son format d’origine.
This volume of Advances in Parasitology has a predominantly protozoological flavor. - The questionable pathogenicity of Blastocytis, a ptorist closely related to amoeboflagellates - Discussion of Giardia and the evidence of early branching of the eukaryotic stem - Full overview of current knowledge of the immunology of Leishmania - Explanation of the way trypanosomatids transport nutrients and ions across their membranes - A review of the biology of the coccidian parasites of fish with extensive illustrations - A review of the sexuality of parasitic crustaceans
The ecological sciences are a diverse array of major scientific disciplines. They grew from minor sciences, with little status in 1900, and now occupy crucial areas of research bearing on the future of our planet. This book describes a century of growth and development. A dramatic century-long rise in the status of ecological knowledge was accompanied by the rise of professional ecological organizations, the establishment of university faculties, and the creation of government agencies advising on conservation, natural resources, and the prevention of pollution. Like all sciences, ecology continues to yield new findings and surprising revelations. New technologies now address existential cha...
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