Draw and label the life cycle of a moss; be certain to show gametangia and sporangia. Which parts are haploid and which are diploid? Where and when does meiosis occur? Plasmogamy? Karyogamy?
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Draw and label the life cycle of a moss; be certain to show gametangia and sporangia. Which parts are haploid and which are diploid? Where and when does meiosis occur? Plasmogamy? Karyogamy?
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- http://botit.botany.wisc.edu/botany_130/diversity/plants/mosses.html Make a complete moss life cycle with the following phases and structures. Note: download the images of Mnium from this link and arrange them in the exact sequence to make the lifecycle. Lifecycle structures with cell division: Meiosis, fertilization within archegonium, capsule (sporangium), spores (n), protonema (n) (Image), male gametophyte (n) (Image), female gametophyte (n) (Image), antheridia (Image), archegonia (Image), sperm, egg, water, zygote (2n), embryo, young growing sporophyte (2n), mature sporophyte (2n) (Image), rhizoids. You can insert the non-image part, using the textbox and fill out the suitable s text. For symbol, click on the shape option and inter in your lifecycle diagram at the required placeFigure 25.24 Which of the following statements about the fern life cycle is false? Sporangia produce haploid spores. The sporophyte grows from a gametophyte The sporophyte is diploid and the gametophyte is haploid. Sporangia form on the underside of the gametophyte.Figure 25.14 Which of the following statements about the moss life cycle is false? The mature gametophyte is haploid. The sporophyte produces haploid spores. The calyptra buds to form a mature gametophyte. The zygote is housed in the venter.
- Drag the terms below into their proper position on the diagram of the life cycle of Laminaria. Drag term so this symbol is over the correct red circle on the diagram. You have three attempts to get the right answer but each attempt will have points deducted. Zoospores Zygote Mature sporophyte Female gametophyte Sperm Fertilization occurs Haploid stages Sporangium Meiosis occurs Ova (egg) Male gametophyte Diploid stages MacBook Pro & delete } PDraw a simple diagram illustrating a heterosporous life cycle. Include the sporophyte generation, megaspore, female gametophyte, egg, microspore, male gametophyte, sperm, meiosis, and fertilization. Be sure to indicate whether each generation or kind of cell is haploid or diploid.The male gametophyte of the moss looks identical to the female from the naked eye, but the photo below (I.s. at 4x and then at 40 x) shows that the tip contains the structures where male gametes are produced.
- Please answer the following: Explain sexual reproduction of plants. What are plant spores? Which group of plants grow as filaments or colonies? Name the two minerals essential to plant growth. What is the scientific name of the moss group? What is the scientific name of the vascular group of plants? What is the scientific name of the fern group? Which plant group has flowers? Which plant group has naked seeds in pine cones? Name the male and female portions of flowers. What are the structures within the male portion of the flower? What are their functions? What are the structures within the female portion of the flower? What are their functions? What’s the difference between sepals and petals? Name the upper thick portion of the stem which supports the flower. Why do plant seeds become dormant? What causes plant seeds to germinate? What is the difference between annuals and perennials? Which plants are non-vascular?…Draw the life cycle of a typica bryophyte such as moss. Your drawing should contain the following terms: 2N and N, Sporophyte and Gametophyte, Sporangium, Meiosis, Spores, Protonema, Antheridium, Sperm, Archegonium, Egg and FertilizationDiagram the life cycle of a moss, indicating which stages are sporophytic and which are gametophytic. Also indicate where meiosis and syngamy occur.
- The male gametophyte of the moss looks identical to the female from the naked cye, but the photo below s. at 40x and thenat 100 x) shows that the tip contains the structures where make gametes are produced. Make a sketch of the slide at 100x and label the following structures: antheridial head, antheridium. spermsComplete the following paragraph to describe the characteristics of liverworts and mosses. antheridia protonema rhizoids sexual gemmae roots archegonia fragmentation asexual 1999 binary fission gemmules thalli Reset Help Liverworts and mosses are examples of nonvascular plants. Liverworts such as Marchantia have a smooth upper surface, and a lower surface with that project into the soil. The smooth upper surface of the thallus of a liverwort contains groups of cells called cups that can produce new plant organisms asexually. During sexual reproduction in liverworts, flagellated sperm are produced by and eggs are produced by After fertilization, small sporophytes produce windblown spores. Typically, mosses can reproduce asexually by almost every part of the moss plant to produce During the life cycle of a moss, a its structure. This process allows will produce upright leafy thalli along The thalli of a moss produce antheridia and archegonia, which are involved in reproduction.Sporangia produce gametes via meiosis produce spores via meiosis produce gametes via mitosis Selected produce spores via mitosis