All land plants produce. ______by mitosis and ____________ by meiosis. Selected Answer: spores; gametes Answers: spores; gametes gametes; gametes gametes; spores spores; spores spores; gametes and spores
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- fern nrothalli.... antheridia and archegonia. Student Preparation Read text Chapter 16, pages 366-390. Figure 1: Alternation of Generations Mitosis Spores 60 - + - + Meiosis One cell from Sporophyte undergoes meiosis Gametophytes Haploid multicellular individuals 1n 2n saldy Quisetum, and at least one fern - Gamete + Gamete Fertilization Sporophyte Diploid multicellular individual 1. Are these thalli the gametopytes or sporophytes?_ 2. Are the thalli haploid or diploid? Mitosis Exercise I Marchantiophyta: The Liverworts Examine with the dissecting microscope the thalli of the relatively large, dichotomously branching gametophytes of Marchantia 3. Are any gemma cups containing gemmae present on your plant? 4. What is the function of gemmae?. 78 Zygote Examine carefully with the dissecting microscope the additional liverworts that are available. Note the dichotomous branching, the midrib-like region, and the air pores on the upper (dorsal) surface. 5. How is dichotomous branching…Question 10 Which structure is the male gametophyte? O the microgametophyte the pollen grain the megagametophyte the microspore both pollen grain and microgametophyte < PreviousWhen the hyphae of two compatible club mushrooms (Basidiomycota) fuse, the result is hyphae that is; Diploid N + N Соenocytic Нaploid
- 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. spermsThe dominant organism in fern is the sperm spore gamete sporophyteFigure 23.28 Which of the following statements about the Laminaria life cycle is false? In zoospores form in the sporangia. The sporophyte is the 2n plant. The gametophyte is diploid. Both the gametophyte and sporophyte stages are multicellular.
- Fill in the blank. The megagametophyte is No answer text provided. O Diploid O HaploidQuestion 4 All land plants produce by mitosis and A spores; gametes B gametes; gametes C gametes; spores D spores; spores Espores; gametes and spores by meiosis.The photo below shows the spore packets on the back of the fern leaflets. The photo below it showa prepared slide of one of these spore packets under the microscope (c.s. at 40x) 20 100 Make a sketch of the specimen and label the following structures: leaflet, indusium, sporangium
- Question 23 Which of the following eventually develops into pollen grains? Sporophylls Ovules Megaspores MicrosporesThe picture below is of a moss growing on my roof. It shows both the gametophyte and the sporophyte phases of the life cycle. Make a sketch and label which part of the moss is the gametophyte and which is the sporophyte. (Alternatively, you can find a live moss with both phases and take a picture, label it and upload here.) APR 25 étv J 280 MacBook ProStudent Preparation Read text Chapter 16, pages 366-390. Figure 1: Alternation of Generations Mitosis Spores 00 -+-+ 1111 Meiosis One cell from Sporophyte undergoes meiosis Gametophytes Haploid multicellular individuals 1n 2n - Gamete + Gamete Fertilization Sporophyte Diploid multicellular individual 1. Are these thalli the gametopytes or sporophytes? 2. Are the thalli haploid or diploid? Mitosis Exercise I Marchantiophyta: The Liverworts Examine with the dissecting microscope the thalli of the relatively large, dichotomously branching gametophytes of Marchantia Zygote 3. Are any gemma cups containing gemmae present on your plant? 4. What is the function of gemmae?. 78 Examine carefully with the dissecting microscope the additional liverworts that are available. Note the dichotomous branching, the midrib-like region, and the air pores on the upper (dorsal) surface. 5. How is dichotomous branching different from the branching pattern seen in higher plants? O 145x3