Bioessays 25 (6):596-602 (2003)

Massimo Pigliucci
CUNY Graduate Center
The so-called ‘‘species problem’’ has plagued evolution- ary biology since before Darwin’s publication of the aptly titled Origin of Species. Many biologists think the problem is just a matter of semantics; others complain that it will not be solved until we have more empirical data. Yet, we don’t seem to be able to escape discussing it and teaching seminars about it. In this paper, I briefly examine the main themes of the biological and philosophical liter- atures on the species problem, focusing on identifying common threads as well as relevant differences. I then argue two fundamental points. First, the species problem is not primarily an empirical one, but it is rather fraught with philosophical questions that require—but cannot be settled by—empirical evidence. Second, the (dis-)solution lies in explicitly adopting Wittgenstein’s idea of ‘‘family resemblance’’ or cluster concepts, and to consider spe- cies as an example of such concepts. This solution has several attractive features, including bringing together apparently diverging themes of discussion among bio- logists and philosophers. The current proposal is con- ceptually independent (though not incompatible) with the pluralist approach to the species problem advocated by Mishler, Donoghue, Kitcher and Dupre ́, which implies that distinct aspects of the species question need to be emphasized depending on the goals of the researcher. From the biological literature, the concept of species that most closely matches the philosophical discussion pre- sented here is Templeton’s cohesion idea.
Keywords family resemblance  species concept  Wittgenstein
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DOI 10.1002/bies.10284
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References found in this work BETA

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Citations of this work BETA

The Demarcation Problem: A (Belated) Response to Laudan.Massimo Pigliucci - 2013 - In Massimo Pigliucci & Maarten Boudry (eds.), Philosophy of Pseudoscience: Reconsidering the Demarcation Problem. University of Chicago Press. pp. 9.
Species.Marc Ereshefsky - 2010 - Stanford Encyclopedia of Philosophy.
Microbiology and the Species Problem.Marc Ereshefsky - 2010 - Biology and Philosophy 25 (4):553-568.
What, If Anything, is an Evolutionary Novelty?Massimo Pigliucci - 2008 - Philosophy of Science 75 (5):887-898.

View all 23 citations / Add more citations

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