 Then, robustness in the cell type distribution was achieved, while instability of collective growth sometimes emerged even among the cooperative cells when the internal reserves of chemical products is dominant.
<clarity>  Then, robustness in the cell type distribution was achieved, while instability of collective growth sometimes emerged even among the cooperative cells when the internal reserves of chemical products is dominant.
 Then, robustness in the cell type distribution was achieved, while instability of collective growth could emerge even among the cooperative cells when the internal reserves of chemical products is dominant.