One of the many good things about spring is that without it, and without the absence imposed by fall and winter, we flawed mortals might fail to appreciate the beauties around us. So much of the wonder of spring is found in the return of what was absent.
The second main difference is in the structure of the cell itself. Animal cells are smaller than plant cells and have a membrane around them that is flexible and allows molecules, gases and nutrients to pass into the cell. Plant cells are larger and in addition to a membrane they have a rigid cell wall.
A plant cell has a cell wall made of cellulose. However, an animal cell will lack a cell wall.   Another difference is their organelles, which are the tiny specialized stru â¦ ctures in a cell that perform a certain function. Plant cells have chloroplasts, but animal cells don't.