This question pertains to the image below of a mature Marchantia spp. sporophyte. Structure #1 is known as the: Placenta Foot Seta Gametophyte Capsule
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- Label the diagram which features an illustration of a portion of the sporophyte of Selaginella with strobili, and a photomicrograph of the longitudinal section of a mature strobilus. Indicate whether each of the structure you identified is haploid (n) or diploid (2n)This is a longitudinal section of a Marchantia sp. gametophyte body. Label the following structures: A.) thallus, B.) gemma cup, C.) gemmae.When the hyphae of two compatible club mushrooms (Basidiomycota) fuse, the result is hyphae that is; Diploid N + N Соenocytic Нaploid
- The gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single house for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 4x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (prothallus), rhizoids AMooD ok DrThe gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single house for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 4x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (prothallus), rhizoids MacBThe gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single house for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 4x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (prothallus), rhizoids
- spores are ready to disperse; they protect B. Equisetum - live specimen and pp. 424-427 1. What Phylum does this plant belong to? 2. Is the plant you see haploid or diploid/gametophyte or sporophyte? 3. How did Calamites (p. 400) differ from the horsetails we have today?Find the large nucleus located near the cell. Make several outline drawings to illustrate the successive changes of 1. shape of the amoeba. Make drawings of the Amoeba you observe, and label its structures. C O O liko mer 0 AS 6 0 O Paramecium -- Paramecia are quite large, straw-colored, slipper-shaped and move rapidly, and they are thus very noticeable. If there are Paramecia in your field of view you probably will recognize them immediately. Often, however, students do have difficulty both finding a Paramecium, and after they have found one, making it move slowly enough so they can study it at high magnification. The trick to finding a Paramecium is to scan the entire slide quickly using the scanning lens. Then, if you do not find one, make a new slide and search again. Often, Paramecia tend to move to the edges of the coverslip, and even "escape" the coverslip at its edges. The trick to slowing the Paramecia is to mix a drop of methyl cellulose with a drop of the cell culture, as…Dissect the term abiogenesis into its three roots. What do each of them mean? Paragraph B I U v + v
- True or false The fungal component of a lichen thallus is most often a basidiomycete. In eucarpic thallus, the entire thallus is composed mainly of sporangia. The tree fern, Cyathea is a eusporangiate fern. The trophophyll vegetative frond has the same morphology and function as the sporophyll frond. Tricolpate pollen morphology is a synapomorphy in all dicots. Hyphal tissue comprise the medulla layer of a lichen thallus. The Phylum Ascomycota is a monophyletic group. Homosporous condition in the sporophyte gives rise to bisexual gametophyte. The Phylum Basidiomycota is a paraphyletic group. In polycentric thalli, a single zoospore will give rise to several rhizoids. Heterothallic mycelia require two different, but compatible, mycelia to reproduce sexually. Having a single cotyledon is a synapomorphy shared by all monocots. The xylem vessel is considered an apomorphic feature in the monocots and eudicots. The nuclear fusion of the dikaryotic hyphae is termed as plasmogamy. In…While the Lycopodiaceae are homosporous, the Selaginellaceae are heterosporous, producing two types of spores, microspores and megaspores. The strobili of Selaginella. consist of microsporophylls and megasporophylls, bearing microsporangia with microspores and megasporangia with megaspores, respectively. Examine the prepared slide of a mature Selaginella strobilus and identify the two spore types (see text Figure 17-19, pages 406 and 407). 4. Label the microspores and megaspores in Figure 3 below. Figure 3. Selaginella strobilus l.s. Photo by Carolyn Alling 5. What type of gametophyte does the microspore give rise to? The megaspore? ons TealThe gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single "house", or thallus for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 40x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (a.k.a. prothallus), rhizoids 90