期刊
ANNUAL REVIEW OF ECOLOGY EVOLUTION AND SYSTEMATICS
卷 53, 期 -, 页码 137-159出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-ecolsys-102320-090809
关键词
complexity; evolvability; constraint; Fisher's geometric model; integration; modularity
资金
- National Science Foundation [DEB 1556774]
There is a widespread view that the evolutionary cost of complexity makes the process of adaptation in complex systems difficult, leading to lower evolvability. It is believed that organisms must possess special properties such as integration, modularity, and robustness to overcome this cost, and the reduction in evolution rate and variational constraints may explain why organisms do not respond to selection. However, an alternative view suggests that complexity represents an opportunity by increasing the evolutionary potential of a population, and there is a lack of evidence supporting the influence of complexity on evolvability. Empirical data on contemporary selection patterns are crucial for understanding this relationship.
There is a widespread view that the process of adaptation in complex systems is made difficult due to an evolutionary cost of complexity that is reflected in lower evolvability. This line of reasoning suggests that organisms must have special properties to overcome this cost, such as integration, modularity, and robustness, and that the reduction in the rate of evolution and variational constraints could help explain why organisms might not respond to selection. Here, we discuss the issues that arise from this conviction and highlight an alternative view where complexity represents an opportunity by increasing the evolutionary potential of a population. We highlight the lack of evidence supporting the influence of complexity on evolvability. Empirical data on the patterns of contemporary selection are critical for understanding this relationship.
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