NDLI: Thinking outside the Embryo: The Superorganism as a Model for EvoDevo Studies

Content Provider	Springer Nature Link
Author	Yang, Andrew S.
Copyright Year	2008
Abstract	Traditional model systems such as fly, mouse, and chick have formed the foundation of the EvoDevo research program. These animal systems have provided a wealth of information on the patterns and mechanisms of developmental change over large phylogenetic scales. However, the almost exclusive focus on individual embryos as model organisms has also limited the field’s ability to address the central roles that natural selection and life history adaptation play in the evolution of developmental systems. Likewise, focus on this small set of “unitary” model organisms may also constrain the explanatory reach and theoretical robustness of EvoDevo if we consider that many core developmental processes like homeostatic regulation, ontogenetic differentiation, and norms of reaction are also manifest at other levels of biological organization, such as colonial organisms. The study of social insect systems can help bridge these considerable gaps in EvoDevo’s current approach. Because social insect colonies span the fine line between simple associations of “unitary” organisms and full-fledged “superorganisms,” these systems help elucidate what kinds of processes fundamentally characterize developmental systems and their evolution. What is more, the traits of social insect colonies show high degrees of population-level variability that can be linked directly to selective factors in the environment, making them ideal systems in which to more fully integrate EcoEvoDevo approaches.
Starting Page	398
Ending Page	408
Page Count	11
File Format	PDF
ISSN	15555542
Journal	Biological Theory
Volume Number	2
Issue Number	4
e-ISSN	15555550
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-03-20
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Philosophy of Biology EcoDevo evolvability evolution and development kin selection life history superorganism Evolutionary Biology Cognitive Psychology eusocial insects
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics History and Philosophy of Science

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