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8. In your own words, describe alternation of generations in plants.
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- 3. A farmer received a purchase order to supply hundreds of carnations for an event that will be held in two months'. As a horticulturist, you suggested the farmer to control the photoperiod to make sure that he could produce the number of carnations needed in time. By using your own words, explain the concept of photoperiodism and its types. Include examples of plants for each type. In your opinion, are plants in the tropical rainforests of Malaysia photoperiodic? State your justifications. [10 marks]8. Place the following labels on the figure below: gamete, spore, sporophyte, gametophyte ΜΕIOSIS MITOSIS Haploid cells Diploid plant Diploid Haploid Haploid plant cell MITOSIS MITOSIS FERTILIZATION Compare and contrast the plant life cycles in the four major plant groups by filling in the table below. Determine if the life stage (gametophyte or sporophyte) is dependent, independent or dominant and place the appropriate term in each empty box in the table. Gametophyte (N) Sporophyte (2N) Bryophyte Seedless, vascular Gymno/Angiosperms4. Describe the process of alternation of generations using any plant phylum as an example. In your answer be sure to detail which structures are haploid and diploid, and which processes are undergone to produce spores and gametes. If it helps, draw a diagram on a piece of paper.
- What is a homeobox gene? Give at least two examples of plant tissues such genes might govern in a species such as A. thaliana.Which of the following is not an evolutionary trend among plants? a. developing vascular tissues b. becoming seedless c. having a dominant diploid generation d. producing nonmotile gametes e. producing two types of sporesWhich of the following traits of land plants allows them to grow in height? alternation of generations waxy cuticle tracheids sporopollenin
- How does a haplontic plant population maintain genetic diversity? Zygotes are produced by random fusion Gametes are created through meiosis Diploid spores undergo independent assortment during mitosis The zygote undergoes meiosis to generate a haploid sporophyte.#6 Match the reproductive structure to the correct generation and type of cell division that produces it in plants. 1.spores (match spores to one of the letters below) A. Made by sporophytes, through meiosis B. Made by gametophytes, through mitosis C. made by gametophytes, through meiosis D. Made by sporophytes, through mitosis 2. gametes (match gametes to one of the letters below) A. Made by sporophytes, through meiosis B. Made by gametophytes, through mitosis C. made by gametophytes, through meiosis D. Made by sporophytes, through mitosis3. Identify the natural cycle that is shown in the diagram. Then, for each box in the diagram, write one or two sentences explaining the labeled process as it relates to this cycle.(from photo below)
- 5. What are the common themes seen in plant leaf systems? How do leaves show phenotypic plasticity? Give some examples of modified leaves in your answer. « Previous Next MacBook Pro G Search or type URL 24 & * 4 5 9 #312. Describe the process humans took to "transform" natural variations of the common wild mustard plant into the 6 vegetables shown above.#6 Match the reproductive structure to the correct generation and type of cell division that produces it in plants. gametes (match gametes to one of the letters below) A. Made by sporophytes, through meiosis B. Made by gametophytes, through mitosis C. made by gametophytes, through meiosis D. Made by sporophytes, through mitosis