Which statement about cells is true? a)they vary in size but are all the same shape. b)they vary in shape but are all the same size. c)they vary in size and shape. d)they are the same size and shape.

The question is asking to choose among the following choices that states the statement that tells the truth about the cells and base on my research and further investigation, I would say that the answer would be letter C. They vary in size and shape. I hope you are satisfied with my answer and feel free to ak for more 

D.) domain, kingdom, phylum, class, order, family, genus, species