The presence of a cell wall prevents the cell animals and plant

The cell wall prevents the plant cell from bursting when water enters the cell.

Animal cells don't have cell walls.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands