The prothallus develops from a germinating spore. It is a short-lived and inconspicuous heart-shaped structure typically 2–5 millimeters wide, with a number of rhizoids (root-like hairs) growing underneath, and the sex organs: archegonium (female) and antheridium (male). See more A prothallus, or prothallium, (from Latin pro = forwards and Greek θαλλος (thallos) = twig) is usually the gametophyte stage in the life of a fern or other pteridophyte. Occasionally the term is also used to describe the young … See more It has been argued that there is an important evolutionary advantages to the alternation of generations plant life-cycle. By forming a multicellular haploid gametophyte rather than limiting the haploid stage to gametes, there is often only one See more • Liverwort Sporophyte • Fern Life-Cycle See more Spore-bearing plants, like all plants, go through a life-cycle of alternation of generations. The fully grown sporophyte, what is commonly referred to as the fern, produces genetically … See more The region of the thallus in lichens that is free of algae (the photobiont partner) and contains only fungus (the mycobiont partner) is called the prothallus. It is typically white, brown, or black in colour. In crustose lichens, the prothallus is visible between See more Web13 hours ago · a gametophyte in the life cycle of fern? Rhizomes Prothallus Sporangia. Prothallus is a gametophyte in the life cycle of fern. Log in for more information. ...

Prothallus - Definition, Function, Difference With Thallus …

WebMar 2, 2024 · Thus, the prothallus develops from the spore. Thus, the correct option is C Spore. Note: Ferns are a group of vascular plants that fall under a separate plant kingdom … WebFern Prothallium separate male and female thallus w.m. (microscope slide). "Prothallium" is a specialized botanical term for the gametophyte of a fern; "thallus" simply means the whole body of the gametophyte. ... Ferns have a highly developed vascular system with vessels that are reinforced with lignin (a woody material). In ferns, the ... staybridge suites west myrtle beach sc

Lab 3 - Plant Diversity and Evolution - Amherst

WebProthallus is a small, flattened, multicellular structure that represents the independent gametophyte generation of a fern. The prothalli bear antheridia (male sex organs) and … WebProthallus of fern is flat, green, autotrophic, cordate (heart shaped), dorsiventral, about 1/8 to 113 inch in size (5−l0mm), free living independent, non-vascular gametophyte. The prothallium develops from a germinating spore. It is a short-lived structure, typically 2−5 millimeters wide, with a number of rhizoids (root-like hairs) growing ... WebFern Prothallus with a Sporophyte On the prothallus, only one zygote will develop into a sporophte. The simple structure consists of a small leaf, a root and a foot (the structure that attaches the sporophyte to the prothallus). The prothallus will eventually die off and the sporophyte generation will develop into a recognizable plant. staybridge suites west oconomowoc wi