Did humans evolve from chimps grasshopper evolve from earthworms hydra evolve from sponges?

Human Beings evolved from the mud worm (as did many other species). Scientists recently discovered that before today's Human Being, there were several species of humans that existed in Africa.

References - PBS Documentary, Becoming Human: Nova (Episodes 1-3)

Note: There were no human beings or chimps 4 billion years ago because at that time, the earth was only 600 million years old. Despite what some believe, Humans did not exist when dinosaurs existed.