935 resultados para Historical evolution of the concept


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"Many of the illustrations ... drawn and etched by the author." Samuel Lysons "contributed numerous etchings to his brother Daniel's 'Environs of London.'"--Dict. nat. biog.

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Includes tradesmans' directory p. 284-288.

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Includes bibliographies.

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Mode of access: Internet.

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Originally prepared for the information and use of the British delegates to the Paris Peace conference. cf. "Editorial note", v.1.

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Intercultural competence (IC) as an essential part of conceptualization of the cultural dimension in FLT has been promoted by educationalists as the most preferred type of competence. One of the challenges of incorporating IC into FLT is to move from the recognition of IC as a model of teaching (Byram, Nichols and Stevens, 2001) to the development of practical applications. This can be due to the fact that teachers do not have sufficient knowledge of the theory behind the concept and consequently, have difficulties to implement the curriculum requirements with regards to IC into their teaching. The purpose of this study was to investigate how teachers of English in upper secondary schools in Sweden interpret the concept of IC and, accordingly, what is their view of culture in English language teaching. In order to answer the research question, I used an exploratory investigation by adopting a qualitative research method in form of semi-structured interviews. The results are similar to the previous studies (Lundgren, 2002; Larzén, 2005) and suggest that teachers lack theoretical background and central guidance with regards to IC and do not always integrate language and culture into an intercultural model of the English language pedagogy.

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One of the great challenges in biology is to understand how particular complex morphological and physiological characters originated in specific evolutionary lineages. In this article, we address the origin of the vertebrate hypothalamic-pituitary-peripheral gland (H-P-PG) endocrine system, a complex network of specialized tissues, ligands and receptors. Analysis of metazoan nucleotide and protein sequences reveals a patchwork pattern of H-P-PG gene conservation between vertebrates and closely related invertebrates (ascidians). This is consistent with a model of how the vertebrate H-P-PG endocrine system could have emerged in relatively few steps by gene family expansion and by regulatory and structural modifications to genes that are present in a chordate ancestor. Some of these changes might have resulted in new connections between metabolic or signaling pathways, such as the bridging of 'synthesis islands' to form an efficient system for steroid hormone synthesis.