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A thorough understanding of planktonic organisms is the first step towards a real appreciation of the diversity, biology, and ecological importance of marine life. A detailed knowledge of their distribution and community composition is particularly important since these organisms are often very delicate and sensitive to change, and can be used as early indicators of environmental change. Natural and man-induced modification of the environment can affect both the distribution and composition of plankton, with important ecological and economic impacts. Marine Plankton provides a practical guide to plankton biology with a large geographic coverage spanning the North Sea to the north-eastern Atl...
The vertebrate head is the most complex part of the animal body and its diversity in nature reflects a variety of life styles, feeding modes, and ecological adaptations. This book will take you on a journey to discover the origin and diversification of the head, which evolved from a seemingly headless chordate ancestor. Despite their structural diversity, heads develop in a highly conserved fashion in embryos. Major sensory organs like the eyes, ears, nose, and brain develop in close association with surrounding tissues such as bones, cartilages, muscles, nerves, and blood vessels. Ultimately, this integrated unit of tissues gives rise to the complex functionality of the musculoskeletal syst...
Zooplankton organisms comprise very important elements of the structure and function of marine and freshwater ecosystems, not only as consumers of primary production, but also as food items for juvenile stages of several fish species. Moreover, its sensitivity to both man-made and natural changes makes zooplankton quite suitable for assessing alterations in the trophic dynamics and the ecological state of aquatic ecosystems related to changes in nutrient loading and climate. Multi-scale, spatial and temporal relationships between zooplankton variability and environmental heterogeneity are still not satisfactorily understood due to the complexity of the different aquatic ecosystems (consideri...
O volume 4 da coletânea "Letras e educação: encontros e inovações" apresenta-se repleto de análises de cunho sociolinguístico de materiais didáticos, discussão a respeito da inclusão educacional e a linguagem, reflexões do discurso midiático e um estudo aprofundado sobre a literatura feminina. É indicado para os pesquisadores e/ou educadores que trabalham com a linguagem e com a formação de opiniões e saberes a fim da proximidade com o contexto democrático necessário.
Drawing on his background as a linguist, O'Toole analyses in detail a number of major works of art to show how the semiotic approach relates a work's immediate impact to other aspects of our response to it: to the scene portrayed, to the social, intellectual and economic world within which the artist and his or her patrons worked, and to our own world. It further provides ways of talking about and interrelating aspects of composition, technique and the material qualities of the work.
Contains over 2,500 alphabetically arranged entries providing definitions of terms and ideas related to sociology, along with cross-references, and biographical sketches of key individuals in the field.
In the early morning of March 31, 1970 in Belo Horizonte, Brazil, the annual birthday celebration of a prominent and wealthy young artist is taking place; and a train docked in Plaza Station filled with starving, drought-stricken migrant workers seeking relief gets turned away by the authorities, sparking a riot. From these seemingly unrelated events, Ivan Angelo's remarkable debut novel connects and implicates the lives of a complex of characters spanning three decades of tumultuous social and political history in twentieth-century Brazil. But with the central event - the celebration - missing, the reader is thrust into the middle of an intricate puzzle, left to construct the story from the evidence that accrues in a range of comic, unnverving, misleading and tragic episodes.