It was used store things like tombs and treasure.
Ziggurat
Step Pyramids have an opening or entrance gate just like regular pyramids.
I believe that they were changed because of the pharoah's
they were step pyramids built out of stone
Step pyramids are similar in shape to smooth pyramids. They are made by gradually inclined steps that taper in to reach the top center stone.
A step pyramid is a pyramid with steps on the side.
Imhotep.
no
Pharaoh Zozer, or more commonly Djoser, is famous for building the first pyramids in Ancient Egypt. They were step pyramids used as tombs, and it is thanks to him why pyramids are considered the icon of Ancient Egypt.
Pyramids were build for the purpose of protecting the pharaoh it was built for, and all of his belongings that will be spiritually passed down with him to the afterlife. Step pyramids symbolized a walkway to heaven that spirits used to gain access to the afterlife.
The step pyramids were like practice pyramids. They were getting the engineering down and the "how to". I doubt that without them they would have been able to engineer the Great Pyramid.
There are 2 different types of pyramids: the step pyramid, and the true pyramid.