Hi there!
The cell theory states that all cells can make duplicates of themselves. They do this by dividing themselves in half, until they are two cells.
The cell which divides itself in half is called the parent cell, and the cells that are produced from this are called daughter cells.
The origin of the cell, would most likely be the parent cells.
Hope this helps!
~DL
These are the levels of Linnaeus's hierarchical system of classification:
kingdom, phylum, class, order, family, genus, and species.
Well Rocks at high elevation are exposed to low temperature and high winds they weather quickly and rock at sea level can be weathered by the ocean waves.