The subcategory of Developmental Modularity consists of papers that engage with the study of development as consisting of discrete units (modules) and the extent to which these modules are integrated (see Developmental Systems Theory for a contrasting position). The specific developmental phenomena that are studied include heterochrony and allometry, duplication and divergence of modules (as seen in segmentation), and the co-option of modules (often called exaptation).
The unifying philosophical theme is ontological; the landscape consists of differing views on how a developing organism is divided into functional or structural subunits. The internal disagreements are over what the basic units are, and how they are identified and organized. However, all papers in this section examine the extent to which an organism’s development can be explained in terms of interactions between (reasonably) autonomous morphogenetic (developmental) modules.
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David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jack Alan Reynolds
Darrell P. Rowbottom
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