Tag: examples of bryophytes

The peristome is a characteristic structure found around the mouth of the capsule in mosses like Funaria, aiding in spore dispersal.

The sporophyte of Funaria is partially independent because it contains chlorophyll in the apophysis, allowing for some photosynthesis, though it remains dependent on the gametophyte for water and minerals.

The protonema is part of the gametophytic generation, which is haploid. The capsule, columella, and seta are parts of the sporophytic generation, which is diploid.

The annulus is a ring of specialized cells located between the operculum (the lid) and the theca (the main body of the capsule), which helps in the dehiscence of the capsule.

In bryophytes like Funaria, the zygote develops into the sporophyte while remaining within the archegonium. The archegonium provides protection and nourishment during the early stages of development.

Funaria is a bryophyte, which lacks true roots, stems, and leaves; it uses rhizoids for anchorage. Pteridium is a pteridophyte, which possesses true vascular tissues including roots, stems, and leaves.

In Funaria archegonia, there are multiple neck canal cells, not just two. The other statements correctly describe the sporophyte's semi-parasitic nature, the endothecial origin of spores, and the protonema stage.

The spores of Funaria are generally viable for a longer period than one year. The other statements regarding stomata in the capsule epidermis, the thickness of the spore sac, and the presence of trabeculae are correct.

The primary protonema is a characteristic juvenile stage in the life cycle of mosses, such as Funaria. It develops directly from the germinating spore.