AP BIOLOGY

Detailed explanation-1: -Marchantia is a type of liverwort that belong to the division Bryophyta. It has a thallus-like plant body that is majorly gametophytic. The male thallus bears antheridium, which produce biflagellate antherozoids while, the female thallus, known as the archaegonium produces single egg.

Detailed explanation-2: -(1) Biflagellate antherozoids are found in selaginella/Psilotum/Equisetum/ Marsilea.

Detailed explanation-3: -Complete answer: The moss plant Funaria has the presence of the male reproductive organ known as the antheridium. The antheridium produces the male gametophyte known as the antherozoids which are biflagellate in nature.

Detailed explanation-4: -Antherozoids of fern are sperical, coiled and multiflagellate. An antheridium or antherida is a haploid structure or organ producing and containing male gametes, called as antherozoids. It is present in the gametophyte phase of ferns.