Return to Unit List Grade 4 Lesson Review   Type your name:   If you compare plant and animal cells, you will discover differences. Plant cells are stiff and rigid. They have a(n) cytoplasmcell membranecell wallcell nucleiSelect your answer that protects the plant cell. Animal cells have only a thin outer covering called a(n) cell membranepower plantcell nucleicell wallSelect your answer to protect them. Plant cells only have one or two holding bins called vacuolesSelect your answer. Animal cells have many vacuoles. Plant cells have food factories called cytoplasmpower plantchloroplastsvacuolesSelect your answer which animal cells don't have. Plant and animal cells also have other parts. Both have chloroplastscell nucleicytoplasmpower plantSelect your answer which are found in the center of the cells. They have a jellylike substance that fills the cells called cytoplasmcell membranevacuolespower plantSelect your answer. Both types of cells also have a part that uses fuel from food for energy. It's like the cell's cell wallpower plantcell membranecell nucleiSelect your answer.