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.
Animal cells and plant cells. Animal cells usually have an irregular shape, and plant cells usually have a regular shape. Cells are made up of different parts. It is easier to explain what these parts are by using diagrams like the ones below. Animal cells and plant cells both contain: cell membrane, cytoplasm, nucleus.