17. Label the archegonia with the egg cell in Figure 7 below. Figure 7. Mnium archegonial head l.s. Photo by Carolyn Alling 18. How do sperm cells get from the antheridial to archegonial heads? 19. Which is the most vulnerable stage of the moss life cycle? Why?
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- Figure 23.25 Which of the following statements about Paramecium sexual reproduction is false? The macronuclei are derived from micronuclei. Both mitosis and meiosis occur during sexual reproduction. The conjugate pair swaps macronuclei. Each parent produces four daughter cellsidentify the following:1. The sexual fruiting body in the genus Coprinus.2. The specific layer of the lichen body or thallus that is photosynthetic in function.3. A club shaped structure that directly produce haploid spores in the Coprinus sp.ODD ONE OUT: Choose the term that does NOT belong to the group then give the commonalityamong the remaining 3 terms # odd one commonality 1 neck spore stalk venter 2. spore-bearing capsule protonema transfer cells seta 3. oosphere oospore antherozoid microspore 4. embryonic cells suspensor ls lid cells cotyledons 5. zygote heart embryo torpedo embryo sporophyte
- What is the shape of the ascocarp in Figure 4.9. What is the shape of the ascus in Figure 4.10. Are ascopores haploid or diploid? Deduce the function of paraphyses. Are the individuals germinating from ascospores haploid or diploid?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)#5 Complete the sentence about gills. (in the first blank pick the correct number that completes the sentances) (in the second blank pick the correct letter that completed the sentance) Gills NUMBER (1,2,3,or4) for fungi in the phylum LETTER (A,B,C or D) 1. absorb food 2. produce sexual spores 3. produce asexual spores 4.produce food ----------------------------- A. Llovericotta B. Zygomycota C. Ascomycota D. Basidiomycota
- The basidium of the club fungi could be correctly described as; A reproductive structure that produces diploid spores A sexual reproductive structure that produces 4 haploid spores An asexual reproductive structure that produces thousands of spores A sexually reproductive structure that produces 8 haploid sporesThis is a cross-section of Grantia. Name the structures where the arrows are pointing.What will you do on an exam or problem set regarding fungal genetics if the longest distance is smaller than the sum of the two shorter distances? Adjust the smallest distance to make the numbers add up adjust the larger distance down a bit and the smaller ones up a bit proportionate to their relative sizes Change the larger distance to equal the sum of the two smaller distances just leave it and acknowledge that science isn't perfect
- What is the name of the description of these fungi? 1. members of this phylum can produce spores through two kinds of sporangia, one of which is known as a conidium. 2. this phylum contains organisms that most closely resemble the common ancestor of fungi 3. a member of this phylum includes the mold Rhizopus stolonifer 4. reproduces only sexuallyTopic 1: Order Lycopodiales (Club mosses) 1. Label completely all parts of the diagram showing the life cycle of a Lycopodium sp. Indicate whether each of the labeled parts is haploid (n) or diploid (2n). (42 pts) 13 14 12 15 9. 7. 8. 17 18 10. 19 19 6. 20 5. 1. 21 2. 3. Figure 1. Life cycle of a member of the Lycopodiales, a homosporous lycophyte (Dennis K. Walker and students of Humboldt State University (CC BY-SA 4.0).The female gametophyte of the moss, seen in the photo below (Ls. at 40x and then at 100 xl, shows that the tip contains the structures where female gametes (eges) are produced Make a sketch of the slide at 100x and label the following structures: archegonial head, archegonium (neck, venter, eg termat