454209.fig.005a
(a)
454209.fig.005b
(b)
454209.fig.005c
(c)
454209.fig.005d
(d)
Figure 5: Spots pattern formation for model (4) by taking . Other parameters are fixed as (33). Times: (a) 0; (b) 50; (c) 250; (d) 2500.