The awnser to ur question is epidermis
Organisms with hard parts such as a shell,or bones are much more likely to become fossilized than animals with soft parts like a worms.
Answer:
A plant cell is your answer
Explanation:
prosses of elimination
animal cell - dose not have a cell wall
algae cell - its cell wall has more of a bubblelike appearance
bacterium cell - cell wall is not rigid, and color can vary it has more of a lose thread type look.
plant cell - has a green cell wall that is rigid <--- this is your answer