Which of the following statement about alternation of generation in bryophytes is incorrect?

A: It involves alternation of morphologically different generations

B: Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.

C: Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization

D: Spore formation occurs through meiosis