participei de vários projetos para editora Moderna, Ática, Saraiva, Spione e Ftd Biologia, Ciências, Geografia, História e ilustrações infantis para livro. Amabis & Martho (), for instance, clearly presents the idea of evolution as an .. AMABIS, J. M.; MARTHO, G. R. Fundamentos de Biologia Moderna (2nd ed.). P. A abordagem da relatividade restrita em livros didáticos do ensino médio. AMABIS, J.M.; MARTHO, G.R. Fundamentos da Biologia Moderna. livro/58ra/JNIC/RESUMOS/resumo_html>.
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This passage suggests lviro life will be better and better understood as our inquiry delves more and more into the micro- structural levels of living beings.
The books were selected by combining the results of two surveys: Among several misunderstandings and difficulties resulting from this metaphor, we have the problem that it emphasizes a purely informational conception of life.
Only three books include a specific chapter or section about this issue Figure 2. Theory in Biosciences But a thoughtful analysis can suggest that this solution is not so adequate.
Fundamentos de Biologia Moderna 2nd ed. Biology and Philosophy 7: Due to a mistake in the post-translational modification of this protein, a non-functional version is produced, the prion protein. It comes to mind the issue of how to study with the expected lucidity a set of phenomena and to build theories capable of explaining them in the absence of a more or less clear characterization of what are the very phenomena at stake.
Are the remarks about the definition of life reflected on the treatment of other issues in the dundamentos, or are they isolated from the remainder of the book?
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As concerns the search for common patterns in the diversity of life, a reductionist tendency can be perceived, as the unity of life is emphasized in the molecular and cellular levels, with no corresponding effort to uncover features which might integrate our understanding of living beings in higher organizational levels. The textbooks call attention to the alleged borderline instances between living systems and inanimate matter, in particular, to viruses, understood as exceptions.
Therefore, it should be regarded as a positive aspect that the biology textbooks we examined here, albeit recognizing the difficulties involved in defining life, do not avoid the discussion about how one can characterize living beings, differentiating them from inanimate matter. Essentialist list of properties, allegedly including sufficient and necessary conditions for a system to be living.
We did not find, however, any book that addressed the circular, self-referential organization of living systems by employing the conceptual resources of this theory. We usually think of life as both form and matter — something with both informational-organizational and material-physical aspects —, but this understanding of life puts too much emphasis on the informational aspect cf.
Los conceptos estruturales en el aprendizaje por investigacion. Ultimate Reality and Meaning 20 4: Help Center Find new research papers in: We decided then to make an analysis of Brazilian high-school biology textbooks, as textbooks represent, in Brazil, the major way of transposing contents from scientific to school knowledge Razera et al.
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Prions, by their turn, can hardly be conceived as living, since they are nothing but an abnormal version of a functional protein expressed in neurons.
Even though this idea has been criticized in several works about the nature of evolution, it remains in biology textbooks, even in higher education. Therefore, the results reported biologoa this paper should be regarded as partial. To cast them aside as exceptions seems to be, at first, quite a natural and easy solution. Textbooks that based its approach to the definition of life on the biological meaning of death. Such a view about diseases overlooks the focal level sensu Salthe where pathological processes themselves usually take place, involving not only cells and molecules, but, above all, tissues, organs, and organic systems.
Does the textbook 2: What is the definition of life presented by the textbook, if there is any? It is important to stress, however, that the claim that the Earth is living strains the ordinary concept of life Bedauand demands a justification through a proper conceptual analysis.
It is enough to say that they are all beings in Nature which present a series of common characteristics The new problem of genetics: Skip to main content. The definition of life proposed explicitly situates the life concept in a biological paradigm, trying to give this concept a meaning by connecting it with other concepts in that paradigm.
It is not that there would be any problem in searching for a unity in the diversity of life. Rather, this endeavor could foster an modenra of biological knowledge, kartho if supported by some paradigmatic understanding of the phenomenon of life.
Biologiaa, when assuming such an approach, we should not underestimate the risks of losing from sight the need for an understanding not only of the molecular and cellular components of living systems, but also of the organizational principles by means of which the very systems which we classify as living can emerge from those components. What is the list of properties presented by the textbook if there is any?