Sample Response: Plant and animal cells are similar because both are eukaryotic. Every plant and animal cell has a cell membrane and cytoplasm. In addition, nearly all plant and animal cells have a nucleus. What did you include in your response? Check all that apply.Both plant and animal cells are eukaryotic.Every plant and animal cell has a cell membrane.Every plant and animal cell has a cytoplasm.Nearly all plant and animal cells have a nucleus.