Tag: plant kingdom

The stem and leaves of Funaria are analogous to those of angiosperms because they perform similar functions (support and photosynthesis) but have different evolutionary origins and structures.

The sporogonium of Funaria is attached to the gametophyte and derives water and minerals from it, though it can perform some photosynthesis.

Protonema is a characteristic juvenile filamentous stage in the life cycle of mosses like Funaria. Riccia is a liverwort, Dryopteris is a fern, and Spirogyra is an alga.

The sporophyte of mosses, which consists of foot, seta, and capsule, is technically referred to as a sporogonium. Sporangium is a general term for a spore-producing structure.

In Funaria, the antheridial head contains sterile, club-shaped hairs known as paraphyses. These help in protection and water retention for the antheridia.

The structures in Funaria are called stem-like and leaf-like because they lack true vascular tissue (xylem and phloem) and belong to the gametophytic generation, not the sporophytic generation typical of vascular plants.

The protonema is the first stage of the moss gametophyte, which develops directly from a germinating spore. It is characteristically green, filamentous, and branched.

The archegonium of Funaria typically possesses a long neck containing a series of neck canal cells, usually numbering between 6 and 10.

The fusion of male and female gametes results in a zygote. While terms like oospore are sometimes used in specific botanical contexts, zygote is the standard biological term for the product of fertilization.

Bryophyte sperms (antherozoids) are biflagellate and typically curved or spirally coiled. Option B is the standard description for Funaria.