Note the organisms listed below. What characteristic separates the chlorophytes from lycophytes and gymnosperms?
A) The chlorophytes have cell walls made of chitin, the other organisms have cell walls made of cellulose.
B) The chlorophytes do not have vascular tissues; the other organisms do have vascular systems.
C) Chlorophytes have multicellular embryos, the other organisms have unicellular embryos.
D) The chlorophytes have cell walls made of cellulose, the others have cell walls made of chitin.
E) The chlorophytes show alternation of generations, while the other organisms do not.