Videos etc.

Super critical regime where birth/death ratio is too high. The clump is growing indefinitely and looks like a ball, except some cracks. 

Below, the birth/death ratio is still higher than the critical value, so it still grows indefinitely but it is low enough that the clump grows much more branchy than a ball.  

Finally, the growth rate is too small below to sustain indefinite growth, so the clump stays bounded.