Eukaryotic plant and animal cells each have distinguishing characteristics. for example, plant cells have cell walls, while animal cells do not. which statement best elaborates on the reason for this difference? a) cell walls plants make their own food by converting light energy. animals do not make their own food. b) animal cells use oxygen, and it cannot pass through cell walls. plant cells do not need oxygen to pass through. c) animal cells produce waste, and a wall would prevent it from leaving the cell. plant cells do not produce waste. d) cell walls of plant cells give plants their rigid shapes, while lack of cell walls allows for mobility in animals. 14)