108269.fig.001a
(a) Bacterial trajectories
108269.fig.001b
(b) According to fitness evolution
Figure 1: Bacteria evolution on . Bacterium 1: start point (−4, −4), run-length unit parameter , chemotactic steps to precise goal (0.1) are 46. Bacterium 2: start point (4, 4), run-length unit parameter , chemotactic steps to precise goal (0.1) are 453.