AP BIOLOGY

Detailed explanation-1: -The sperm are produced within tiny, typically stalked, club-shaped structures called antheridia and you can also see bryophyte sperm referred to as antherozoids. The stalk anchors the antheridium to the gametophyte. Each antheridium produces numerous sperm.

Detailed explanation-2: -The male sex organ, the antheridium, is a saclike structure made up of a jacket of sterile cells one cell thick; it encloses many cells, each of which, when mature, produces one sperm.

Detailed explanation-3: -Sexual reproduction The gametophyte produces structures known as antheridia and archegonia, which produce the male and female gametes respectively. Collectively these structures are known as gametangia.

Detailed explanation-4: -The male sex organ, Antheridia, is a haploid structure that produces male gametes known as antherozoids or sperms.