Students’ Preconceptions About Evolution: How Accurate is the Characterization as “Lamarckian” when Considering the History of Evolutionary Thought? |
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Authors: | Kostas Kampourakis Vasso Zogza |
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Institution: | (1) Geitonas School, Athens, Greece;(2) University of Patras, Rion, 26500, Greece |
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Abstract: | In this paper, the main points of Lamarck’s and Darwin’s theoretical conceptual schemes about evolution are compared to those
derived from 15 years old students’ explanations of evolutionary episodes. We suggest that secondary students’ preconceptions
should not be characterized as “Lamarckian”, because they are essentially different from the ideas that Lamarck himself possessed.
Most students in our research believed that needs directly impose changes on animal bodies in order to survive in a given
environment and accepted the possibility of extinction whereas Lamarck believed that it was the effect of use or disuse that
would produce changes on body structures and that species would transform but would not die out. We conclude that the relationship
between secondary students’ ideas and historical views on evolution should be treated more skeptically, given the differences
in the historical, social and cultural contexts, and that instruction should focus on students’ ideas of need-driven evolution
as well as on the role of chance in the evolutionary process. |
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Keywords: | Darwin evolution Lamarck students’ preconceptions |
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