Complexity by Subtraction

dc.contributor.author

McShea, DW

dc.contributor.author

Hordijk, W

dc.date.accessioned

2024-01-01T14:44:05Z

dc.date.available

2024-01-01T14:44:05Z

dc.date.issued

2013

dc.description.abstract

The eye and brain: standard thinking is that these devices are both complex and functional. They are complex in the sense of having many different types of parts, and functional in the sense of having capacities that promote survival and reproduction. Standard thinking says that the evolution of complex functionality proceeds by the addition of new parts, and that this build-up of complexity is driven by selection, by the functional advantages of complex design. The standard thinking could be right, even in general. But alternatives have not been much discussed or investigated, and the possibility remains open that other routes may not only exist but may be the norm. Our purpose here is to introduce a new route to functional complexity, a route in which complexity starts high, rising perhaps on account of the spontaneous tendency for parts to differentiate. Then, driven by selection for effective and efficient function, complexity decreases over time. Eventually, the result is a system that is highly functional and retains considerable residual complexity, enough to impress us. We try to raise this alternative route to the level of plausibility as a general mechanism in evolution by describing two cases, one from a computational model and one from the history of life. © 2013 Springer Science+Business Media New York.

dc.identifier.issn

0071-3260

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1934-2845

dc.identifier.uri

https://hdl.handle.net/10161/29574

dc.language

en

dc.publisher

Springer Science and Business Media LLC

dc.relation.ispartof

Evolutionary Biology

dc.relation.isversionof

10.1007/s11692-013-9227-6

dc.rights.uri

https://creativecommons.org/licenses/by-nc/4.0

dc.subject

Science & Technology

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Life Sciences & Biomedicine

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Evolutionary Biology

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Evolution

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Complexity

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Constructive neutral evolution

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Irreducible complexity

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ZFEL

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CELLULAR-AUTOMATA

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MORPHOLOGICAL COMPLEXITY

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EMERGENT COMPUTATION

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EVOLUTIONARY TRENDS

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MECHANISMS

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DYNAMICS

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ORGANISMS

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LINEAGES

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SCALE

dc.title

Complexity by Subtraction

dc.type

Journal article

duke.contributor.orcid

McShea, DW|0000-0001-9398-0025

pubs.begin-page

1

pubs.end-page

17

pubs.issue

4

pubs.organisational-group

Duke

pubs.organisational-group

Trinity College of Arts & Sciences

pubs.organisational-group

Biology

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Philosophy

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Institutes and Provost's Academic Units

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Initiatives

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Duke Science & Society

pubs.publication-status

Published

pubs.volume

40

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