Plants can get cancer. Do you know the key difference between plants and animals that makes cancer mildly complicated for plants, but very serious for us animals? Our cells can move! Movement is one of the 5 basic principles of development: processes that enable a single cell to develop into a fully-functioning grown-up organism. Take a moment to realize how neat this is: first, that a single cell develops into a living creature. Second, everything that cells do in this proce