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Table 1 Information metrics of environmental complexity.

From: Guided evolution of in silico microbial populations in complex environments accelerates evolutionary rates through a step-wise adaptation

  Emergence of the organism with fitness w
  w > 0.75 w >0.85
  Average speed, epochs Success Rate Average speed, epochs Success Rate
Un-evolved → AND 39 64/64 236 64/64
Un-evolved → OR 1,179 57/64 > 4,000 25/64
Un-evolved → A 1,667 60/64 2,425 59/64
Un-evolved → XOR 5,241 26/64 9,583 21/64
ANDXOR 4,891 7/16 > 6,000 7/16
XORAND 250 14/16 1230 6/16
ANDOR > 4,000 9/16 -- 2/16
ORAND 17 16/16 199 14/16
AAND 125 15/16 696 10/16
ANDA 1477 14/16 2362 14/16
AOR 220 11/16 2200 10/16
ORA 56 16/16 56 16/16
ORXOR 210 15/16 2093 10/16
XOROR 42 16/16 119 16/16
A → XOR 240 14/16 887 11/16
{A &B} → XOR + HGT 138 16/16 423 12/16
XORA 10 16/16 17 16/16
  1. A populations is considered to be evolved once its fitness is above w = 0.75; additional phenotype refinement is required to pass the w = 0.85 threshold. Success rate is the ratio of simulations with fitness above threshold after 4,000 epochs over the total number of simulations.