AP BIOLOGY

Detailed explanation-1: -Dioecious: the individual gametophyte is either a male creating antheridia and sperm or female delivering archegonia and egg cells. Monoecious : every individual gametophyte may produce both antheridia and archegonia and it can function both as a male also as a female.

Detailed explanation-2: -In pteridophytes, gametophyte that develops in the homosporous species is usually. (1) Monoecious and has events, precursor to the seed habit.

Detailed explanation-3: -All gymnosperms are not dioecious. They can be monoecious in which male and female flowers are present on the same plant. Example: Pinus.

Detailed explanation-4: -Marchantia is a bryophyte that gives rise to male and female sex organs on different thalli called antheridiophore and archegoniophore respectively. Therefore, it is the first bryophyte to produce a dioecious gametophyte.

Detailed explanation-5: -Gametophytes are the gamete-producing bryophyte that forms the main part of the plant body. Archegonia is the female sex organ present in the gametophyte which is produced at the leafy apex in sexual reproduction. Antheridia is the male sex organ present in the gametophyte which is also produced at the apex.