Q: Sporangia produce gametes via meiosis produce spores via meiosis produce gametes via mitosis…
A: Sporangia are structures found in lower plants like ferns. The are responsible for the formation…
Q: Explain the process by which an attack of hayfever follows exposure to pollen.
A: Another name we use to define hay fever is allergic rhinitis. n this disease the affected person…
Q: Explain the stages involved in the maturation of a microspore into a pollen grain.
A: Pollination is defined as the process of transferring pollen grains (male gamete) from the anther…
Q: Which type of association is found in between entomophilous flower and pollinating agent?
A: Pollination is the process of transferring pollen grains from the male anther of a flower to the…
Q: Question attached
A: Answer: Introduction: Plants have two stages in their lifecycle these include the diploid stage and…
Q: Recognize the two types of spores that occur in the seedplant life cycle, and describe where they…
A: Answer: Introduction: Spore means a reproductive cell able to grow into a new discrete deprived of…
Q: _______of the pollen grain divides to form two male gametes. (a) Vegetative cell (b) Generative cell…
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
Q: Draw a simple diagram illustrating a heterosporous life cycle. Include the sporophyte generation,…
A: Ferns are mostly homosporous plants that form only a single type of spores.
Q: Detail the causes and mechanisms of sporogenesis and germination.
A: Causes of sporogenesis are scarcity of food and water, continuous exposure to UV light, mutation and…
Q: During germination cotyledons come out of the soil in a.Rice b.Mango c.Maize d.Castor
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Q: Arrange the following in correct developmental sequence : Male gamete, Potential pollen mother cell,…
A: Sexual reproduction in flower includes the formation of zygote through the fusion of egg cell and…
Q: Growth of pollen tube towards embryo sac is (a) chemotropic (b) thigmotaxis (c) geotropic (d) none…
A: Answer is a.) chemotropic.
Q: Give an overview of the theory of Germination and types of germination
A: Germination is the process in which a seedling is formed from the seed which is sown in the soil…
Q: Draw the diagram of cycas?
A: Cycas belong to gymnosperms of the plant kingdom. Cycas have a palm-like habit and fern-like…
Q: The part of gynoecium that determines the compatible nature of pollen is: (a) stigma (b) style (c)…
A: The gynoecium is the female reproductive part of the flower which consists of one or more pistil and…
Q: А D
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Q: Describe the alternation-of-generations life cycle,including the role of the sporophyte and…
A: As reproductive life cycles of organisms include an alternation between meiosis and fertilization,…
Q: Identify the Bryophyte and if it is in its haploid or diploid reproductive state. A hornwort Haploid…
A: Bryophytes are categorised into three groups of embryophytes(non-vascular plants) these are:…
Q: List four mechanisms of seed dispersal:
A: The ovules after fertilization develop into seed. A seed is made up of a seed coat and an embryo.…
Q: Detail the causes and mechanisms of sporulation and germination.
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Q: Vivipary is defined as germination.
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Q: Below is a Figure from a Shoot Tip, determine which labeled part is/are meristematic? 2
A: Apical meristem Region of cells capable of division and growth in the root and shoot tips in plants.…
Q: Which of the following statements about the haplodiplontic life cycle of land plants is/are TRUE?
A: The life cycle of plants alternates between the two generations viz. gametophytic and sporophytic…
Q: Explain the process of germination.
A: Seed is formed as a result of sexual reproduction. It is an embryonic plant enclosed in a protective…
Q: Compare the function of megaspores and microspores in the seedplant life cycle, and explain where…
A: Spores formation is a asexual means of reproduction in which the sporulation occurs and when this…
Q: Compare the genetic variation found in sporesproduced in the sexual and asexual portions of the…
A: Spores are reproductive units of the bacteria, algae, fungi, and nonflowering plants. They are…
Q: PLEASE ANSWER NUMBER 1 AND 2 QUESTIONS: 1. Explain what is meant by alternation of generation.…
A: Alternation of generations, additionally called metagenesis or heterogenesis, in science, the…
Q: germinate directly into a new organism
A: Answer: GERMINATION : It is the process of development of a complete new organism from a seed or…
Q: In the space below, diagram generalized haplontic, diplontic, and alternation of generations life…
A: A haplontic life cycle is one where the dominant stage is the haploid stage, where the cells are…
Q: Describe budding in yeast, a fungus.
A: Fungi are heterotrophic organisms that include microbes like yeasts, molds, and mushrooms. They are…
Q: Name the type of cell division that occurs formation of pollen grains.
A: Cell division (CD), also called cell duplication. It is the mechanism of synthesis of daughter cells…
Q: Germination of seeds explanation for assignment
A: The ripened or matured ovule of a flowering plant, which contains an embryo and capable of…
Q: Describe the way gibberellin causes plant growth
A: Gibberellin or Gibberellic acid are the groups of hormones present in plants. In-plant it is…
Q: Suppose mutation of an ascomycete changed its life cycle so that plasmogamy, karyogamy, and meiosis…
A: Ascomycetes are type of fungus that are also known as sac fungi. It produces spores within…
Q: Meiosis of cells in pollen sacs forms haploid______ . a. megaspores c. stamens b. microspores d.…
A: Meiosis is a cell division process that produces four gamete cells while halving the number of…
Q: What is Gibberellic Acid and what is the role it plays in germination
A: There are a variety of plant hormones that regulate the growth of the plants. This are known as…
Q: Bases Fern Pine tree Gumamela Dominant phase Gametophyte tissue form Classification in terms of…
A: Ferns are pteridophytes, pine tree is gymnosperm and gumamela is a angiosperm.
Q: Use the image of a door that can open and close to create a metaphor to explain the difference…
A: Two models that is the sequential model and the concerted model show contrasting views of how…
Q: Select two (2) seed propagated plants of your choice and discuss how you would practically…
A: Seed propagation is a process in which seeds are initially germinated and planted in separate…
Q: explain Germination
A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…
Q: How does a haplontic plant population maintain genetic diversity? a. Zygotes are produced by random…
A: Alteration of generation is a phenomenon that involves two phases of the life cycle – a diploid…
Q: An enzyme that prevents the fusion of hyphae is introduced to a basidiomycete. Which stage of the…
A: Hi, Thanks For Your Question. Answer : Correct Option Is A (Plasmogamy) Explanation : Plasmogamy Is…
Q: Below is a Figure from a Shoot Tip, indicate which numbers islare meristematic cells? - 2 3
A:
Q: Is vegetative propagation a form of asexual reproduction? Give your reasoning.
A: Asexual plant reproduction which occurs in the plant's leaves, origins, and stem is known as…
Q: Figure 20.6.1: Moss Life Cycle Diagram
A: Mnium life cycle consists of following steps: Meiosis results in the formation haploid spores, which…
Draw a figure of a typical sporulation cycle in Bacillus species from the active vegetative cell to release and germination.
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- Give the function of rhizoids. Is the individual germinating from the zygospore haploid or diploid? Label the sporangia, sporangiophore and rhizoids in Figure 4.2a and the zygospore in Figure 4.2b.Compare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? A) A B) B C) C D) D use photo Not GradedAn enzyme that prevents the fusion of hyphae is introduced to a basidiomycete. Which stage of the reproductive cycle would be halted as a result? plasmogamy fertilization karyogamy germination
- Sporangia produce gametes via meiosis produce spores via meiosis produce gametes via mitosis Selected produce spores via mitosisZygomycete bread molds such as Rhizopus stolonifer (black bread mold) produce sporangia in both sexual and asexual reproductive cycles. Which of the following do the sexual sporangia of Rhizopus stolonifer originate from (i.e. what does the sporangia grow out of)? Select one: O a. from the aseptate hyphae O b. from the zygosporangium O c. from the substrate O d. from the gametangiaThis is a longitudinal section of a Marchantia sp. gametophyte body. Label the following structures: A.) thallus, B.) gemma cup, C.) gemmae.
- 4. a) EXPLAIN the terms Haplobiontic and Diplobiontic Life Cycle and give ONE example for each b) Anthophytes show "alternation of generation". Identify the structures that represent the TWO stages in its life cycle. c) The diagrams in Figure 2 show the steps in the development of an embryo sac and pollen grain. In ovary megasporangial cell In anther microsporangial cells VI microsporocyte / pollen mother cells (2n) microsporocyte (n) megasporocyte / embryo sac mother cell (2n) 4 megaspores (n) 1 megaspore (..) tube nucleus and VII immature pollen grain antipodal nuclei - polar nuclei synergids egg nucleus .nucleus .nudeus . nudeus (.. VII embryo sac germinating pollen grain FIGURE 2 i) STATE the process that occurs at stages I to IV in the diagrams in Figure 2. ii) What is the chromosome content of the megaspore at III. ii) What are the names of nuclei formed during germination of the pollen grain at VIIIT iv) Identify TWO ways that the sporophyte of a fern differs from that of an…Compare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent A)a B)b C)c D)dRelate plasmogamy and karyogamy to the process of fertilization and describe whey we need to separate these two things in the life cycle of the fungi. Differentiate between the monokaryotic and dikaryotic conditions. Compare and contrast an animal life cycle with that of a typical mushroom including the haplophase, dikaryophase, and diplophase, products of meiosis, plasmogamy, and karyogamy.