5 - All dovetailed and according to plan. 6 - It is a mathematical impossibility. It sure is. 7 - Not frequent enough. Gould set the hopeful monsters 50,000 years apart, to help cover over the fact that they are not occurring today.
Evolution is an impossibility.
Only God can make plants and animals. No one else can, and senseless, random, harmful mutations cannot do it either. Give God your life, and He will give you a happier life than you could otherwise have.