What produces egg and sperm cells during the life cycle of a plant?
a. gamete
b. gametophyte
c. sporophyte
d. zygote

B. gametophyte

The haploid male (sperm) and female (egg) sex cells; in plants, formed by mitosis of haploid cells in the gametophyte. ... The multicellular diploid portion of the plant life cycle resulting from the growth, mitosis, and cell division of a zygote. Produces sporangium that store haploid spores

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