Webb11 apr. 2024 · Prothallus of Ferns : (a) It is a heart shaped structure. The sex organs are present on the lower surface of the prothallus below the apical notch. (b) Sex organs are … WebbSolution: Prothallus is a small, flattened, multicellular structure that represents the independent gametophyte generation of a fern. The prothalli bear antheridia (male sex …
Explain in brief the structure of prothallus of fern. - Sarthaks eConnect …
WebbStructure of Algal Cell It has an eukaryotic plant cell structure. The cytoplasm contains membrane bound chloroplast, mitochondria, ... Sex organs are borne on an inconspicuous gametophyte or prothallus which represents an alternate phase to sporophytic plant body. ii). Antheridia are well developed & often possess a stalk. WebbA prothalamus is a small, thallus-like green, flat and heart-shaped structure found in ferns.It is a gametophyte and reproduces only sexually.Prothallus contains antheridium and … folding tables for crafts
Prothallus of the fern produces Human Reproduction
WebbProthallus is a free-living gametophyte of pteridophytes that have sex organs. A represents archegonia. It is a female sex organ. These are flask-shaped structures that are partially embedded in the prothallus. 4-rows of cells are present in the tubular neck of archegonium. B represents antheridia. It is a male sex organ. Both thallus and prothallus are structures that are not differentiated. Prothallus, on one hand, is a heart-shaped thallus-like structure while thallus, on the other hand, is a filamentous structure. This can be the primary distinction between these two. Even though they both are gametophytes, but thallus reproduces both … Visa mer It is very important to have a basic understanding of what prothallus is, to understand the role of the prothallium in the reproduction process of the plant. Prothallus is the gametophyte of the plant that is they are … Visa mer There are basic steps or the fundamentals of the alternation of generation seen in plants. Pants that produce sporophytes undergo alteration. … Visa mer Alternation of generation can be defined as the distinct haploid and diploid phases of the life cycle of the plant. It is because of the alteration of a generation that a prothallus structure is formed. There are two different phases … Visa mer There are the following examples of an organism that gas prothallium 1. Fern 2. Moss 3. Liverwort 4. Algae 5. Club mosses 6. Horsetails 7. … Visa mer WebbThe prothallus is the fern gametophyte. It is a green, photosynthetic structure that is one cell thick, usually heart or kidney shaped, 3–10 mm long and 2–8 mm broad. It is very difficult to find in the bush as it is so … folding tables for eating