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The hiatus between organism and machine evolution: Contrasting mixed microbial communities with robots
Andrea Roli1, Stuart A Kauffman2
1Department of Computer Science and Engineering, Campus of Cesena, Alma Mater Studiorum Università di Bologna, Via Dell'Università 50, Cesena, 47522, Italy; European Centre for Living Technology, Dorsoduro 3911, Venezia, 30123, Italy.
Microbial communities evolve through affordances, opportunities species offer each other. Natural evolution expands possibilities openly, unlike artificial evolution limited by algorithms.
Area of Science:
- Microbial Ecology
- Evolutionary Biology
- Systems Biology
Background:
- Mixed microbial communities are essential in diverse environments like soil and the human gut.
- Community evolution involves complex interspecies dynamics and affordances (opportunities/harms).
Purpose of the Study:
- To analyze the role of affordances in the evolution of mixed microbial communities.
- To contrast natural microbial evolution with the artificial evolution of programs and robots.
Main Methods:
- Systemic viewpoint of mixed microbial communities.
- Comparative analysis of natural and artificial evolution mechanisms.
- Proposal of an experimental framework.
Main Results:
- Natural evolution extends possibilities openly, while artificial evolution is constrained by its algorithmic framework.
- This distinction holds even for robots evolving in physical environments.
Conclusions:
- Affordances are central to natural evolution's open-ended potential.
- Natural biosphere evolution, exemplified by microbial communities, holds immense potential compared to artificial evolution.
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