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Evolvability Is Inevitable: Increasing Evolvability without the Pressure to Adapt

Figure 1

Evolvability in the abstract passive drift model.

How the evolvability of organisms changes over generations is shown averaged (in different ways) over 50 independent simulations that last 3,000 generations each. If evolvability is averaged within each niche and then over all niches, then evolvability appears to increase. However, if instead evolvability is simply averaged over all organisms in the population, there is no significant overall increase in evolvability over time.

Figure 1