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.
2 0. The main structural differences between plant and animal cells are the additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles. Chloroplasts. In animal cells, the mitochondria produces the majority of the cells energy from food. Plant cells use sunlight as their energy source; the sunlight must be converted into energy in a process called photosynthesis.