Is selaginella homosporous

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August undefined, 2024

WitrynaLycopodium is a homospore, and all of the spores are about the same size. Selaginella and Isoetes are heterosporous–spores are of two distinct sizes, microspores and megaspores. Megasporogenesis. The megaspore is produced inside the ovule’s nucellus in gymnosperms and flowering plants. Monosporic, bisporic, and tetrasporic … WitrynaIs selaginella heterosporous or Homosporous? Lycopodium is homosporous–all spores are roughly equal in size. Selaginella and Isoetes are heterosporous–spores …

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WitrynaFor the first time distinct heterospory (structural as well as functional) is evident in pteridophytes; but out of several hundred forms in the group, only 9 genera … WitrynaExamples of ferns which are heterosporous include Marsilea, Salvinia, and Azolla. Homosporous ferns are those ferns which produce only one type of spore. Examples of ferns which are homosporous include Pteridium, Adiantum, Pteris, Lycopodium. Thus, the correct answer is 'Marsilea, Azolla.'. meals on wheels contra costa martinez

III. Extant Heterosporous Lycophytes: Selaginellales and Isoëtales

Witryna20 paź 2024 · The Selaginella plant, or spike moss, is a non-flowering plant with a unique life cycle that uses microspores and megaspores to reproduce. It requires … Witryna29 sty 2024 · Most pteridophytes are homosporous but there are exceptions. (MARCH-2012) a) Identify two heterosporous genera. b) ‘Heterospory is a precursor to seed … Witryna9 kwi 2024 · Option C: Selaginella and Salvinia are both heterosporous plants. Therefore, this is an incorrect option. Option D: Lycopodium and Equisetum are both … meals on wheels cook county

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Is selaginella homosporous

Selaginella is a type of planta)Oogamous and …

WitrynaUnlike the homosporous spores of most liverworts, hornworts, mosses, ferns, and Lycopodium—which are characterized by morphologically identical spores that … Witryna8 cze 2024 · Selaginella is a type of plant (a) Oogamous and homosporous (b) Oogamous and heterosporous (c) Isogamous & heterosporous (d) Isogamous & …

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Witryna17 lis 2024 · The key difference between Lycopodium and Selaginella is that Lycopodium is a clubmoss which is homosporous (one type of spore) while Selaginella is a spike moss which is heterosporous (two distinct types of spores).. Lycophyta is a subgroup of vascular plants belonging to Kingdom Plantae. They are also known as … WitrynaThe strobili can bear spores of the same kind (homosporous) or of different kinds (heterosporous). ... Phylum Lycophyta (club mosses) In today’s lab you will observe two Lycophytes - Lycopodium and Selaginella. Lycopodium is a small upright plant with simple leaves bearing a single mid vein. These leaves are called microphylls. The …

WitrynaIn homosporous pteridophytes, all the spores are of similar kinds. Lycopodium and Equisetum are homosporous pteridophytes. In heterosporous, two kinds of spores … WitrynaBy interpreting the slide, is the life cycle of Selaginella homosporous or heterosporous? Is the gametophytic stage of the life cycle in Selaginella likely to be free-living or endosporic? Heterosporous: two distinct type of sporangia, microsporangia bearing microspores and megasporangia bearing megaspores. Gametophytic stage of the life …

WitrynaValeria Estrada Selaginella is a small, creeping lycophyte. The plant body is a sporophyte. It also bears microphylls with sporangia aggregated in strobili. The … Witrynathey can get there minerals and water from the soil system not there system alone allowing them to get bigger

WitrynaSelaginella is a sporophytic plant (2x) and produces two different types of spores i.e., microspores and megaspores. In other words we may call it as heterosporous plant. …

WitrynaGenera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro (small) spores, are known as heterosporous pteridophytes Lycopodium and … meals on wheels conway scWitrynaExplain your answer. - Heterospory because it has two different types of spores, which increase the chance of the plant producing successful offspring. Table #3: Phylum … meals on wheels corbyWitrynaSelaginella, a pteridophyte which belongs to the class Lycopsida, is: 1. heterosporous and has microphylls 2. homosporous and has macrophylls 3. homosporous and has microphylls 4. heterosporous and has macrophylls Plant Kingdom Botany (2024) Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, … meals on wheels cook county ilWitrynaCorrect option is D) In the majority of the pteridophytes, all the spores are of similar kinds; such plants are called homosporous. Genera like Selaginella and Salvinia which … meals on wheels corbin kyWitryna11 sty 2024 · The gametophytes are depending on the sporophytes for nutrition. Therefore, the sporophytic generation is the dominant generation in heterosporous pteridophytes. Examples of heterosporous pteridophytes are Selaginella, Marselia etc. What are the Similarities Between Homosporous and Heterosporous Pteridophytes? meals on wheels coon rapids mnWitrynaThe correct option is B Ovules are not enclosed by ovary wall in gymnosperms. Gymnosperms are seed-bearing vascular plants in which the ovules or seeds are not enclosed in an ovary. Horsetails are pteridophytes. Selaginella and Salvinia are both heterosporous. Stems are unbranched in Cycas and branched in Cedrus. Suggest … meals on wheels corsicana txWitryna29 paź 2024 · Summary – Homosporous vs Heterosporous Pteridophytes Homospory is a phenomenon in which only one type of spore can be seen. Such ferns are referred to as Homosporous Pteridophytes. Heterospory is the condition in which the plant is capable of producing two types of spores. Is selaginella Homosporous or … meals on wheels corning