Webprothallium, the small, green, heart-shaped structure (gametophyte) of a fern that produces both male and female sex cells (gametes). The prothallium forms from a spore. After fertilization, a young sporophyte plant develops; it consists of a primary root, primary leaf, the rudiment of a new stem, and an organ, called a foot, that absorbs food from the … WebProthallus of the tree fern Dicksonia antarctica (note new moss plants for scale) 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 unique spores in the sori by meiosis .

Fern - Economic importance and life cycle Britannica

WebMay 29, 2024 · The fern gametophyte is a small plant that exists as a prolonged intermediate in the fern life cycle, between the germination of a spore and the mature … WebDec 28, 2024 · The fern "life cycle" refers to sexual reproduction. However, ferns use asexual methods to reproduce, too. In apogamy, a sporophyte grows into a … kiev ballet wilson center

Sporophyte: Definition & Examples - Video & Lesson …

Webfern sporangia. sporophyte, in plants and certain algae, the nonsexual phase (or an individual representing the phase) in the alternation of generations —a phenomenon in which two distinct phases occur in the … WebThe stage that people think of as a fern is the sporophyte (the image at the top of this page is a sporophyte). Sporophytes can grow for many years. On the underside of a fern sporophyte frond you can often find sori (singular: sorus), which are clusters of sporangia; the sporangia produce spores. Fern sporangia WebSep 15, 2024 · In seedless vascular plants, like ferns, the sporophyte is the dominant generation that lives the longest and grows the largest. So, a fern frond is part of a sporophyte. So, a fern frond is part ... kiev bbc weather