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Jul 31, 2024 · PDF | The idea of ‘nature’ is at the very core of science, considered as its flagship and deepest link with human societies. However, while nature... | Find, read and cite all the research you...
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In this personal narrative reflection, the author examines her experiences teaching everyday science during the COVID-19 pandemic. She provides examples of curiosity-driven explorations with her own twin sons related to growing plants and baking bread.
reasoning in biology with the Next Generation Science Standards (NGSS). We argue that a framework based on the idea of six styles of scientific rea-soning provides the best guide for biology teachers to the nature of scientific reasoning in biology and how it might be taught. The current framework of the
Sep 4, 2020 · Scientific concepts have important representational and heuristic roles in the acquisition and justification of scientific knowledge because they both represent natural entities, properties, and processes and also make their investigation possible (Arabatzis 2019; see also Nersessian 2008; MacLeod 2012).
- Kostas Kampourakis
- 2020
- Defining Complexity
- Simple Versus Complex
- Classification and Complex Systems
- Emergence of New Functions
- Examples of Biological Complexity
- Classification Complexity
Till now, we have implicitly accepted that biological systems are “complex”. This looks intuitively very reasonable, but one needs to have a phenomenologically more precise definition of complexity that would unmistakably fit with biological systems. To give a (mathematical) definition of complexity is a rather difficult task. Certainly, in contras...
Perhaps the most useful and appropriate definition of complexity follows from the suggestive and deep observation according to which Mézard et al. (1987) From this perspective, it is immediately clear that the elements of the class must be numerous and heterogeneous in nature and that many different kinds of classification structures of the systems...
The existence of many possible classifications (we have illustrated above an example concerning the classification of books) is a typical feature occurring when one is dealing with (a class of) complex systems. In practical applications, the key point is to select the proper classification, i.e. the proper categorization in sets and subsets adapted...
A distinctive feature of complex systems is the emergence of new functions or properties, not immediately visible or predictable only looking at the interaction of their elementary constituents. In particular, in the case of biological systems the mechanism at the basis of the emergence of organized behaviours and features from an underlying, suppo...
In Table 1, adapted from (Freitas 1999), the number and type of atoms (appreciably) present in the body of a lean male (the composition of a female is slightly different) is given. All in all, as we said before, the body of a person weighting 70 kg contains of the order of \(7\times 10^{27}\)atoms. Carbon (C), Hydrogens (H) and Oxygen (O) alone acc...
Zooming out with resolution [see the Table 2, adapted from Freitas (1999)] and looking into a typical human cell (in the human body there are some 200 types of functionally different cells), we find that it contains several types of molecules, among which the by far most heterogeneous class is that of proteins. We remark here that, as we shall disc...
- Silvia Morante, Giancarlo Rossi
- 2016
Evolution is genetic change within a population over time. Three mechanisms drive this change: variation (gene mutation), inheritance and selection. Living organisms share a common ancestor and the process of evolution has resulted in the present-day variety of species.
Nov 24, 2024 · Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including conservation marine biology. Why is biology important? As a field of , biology helps us understand the living world and the ways its many species (including ) function, evolve, and interact.
