In the alternation of generation of plants, the materials that start each generation are the gametes and spores for the gametophyte and sporophyte generation, respectively. The gametophytes produce the male (sperm) and female (egg) gametes and undergo fertilization within the archegonium and form the diploid zygote.
The sporangium (plant organ that produces spores) produces a
A. diploid spores
B. haploid spores