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Explain 2 primary functions of plant stems.
Also provide one example of a modified stem and explain why the modification has been selected for evolutionarily (what advantage does it provide?)
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- Explain 2 primary functions of plant roots. Also provide one example of a modified root and explain why the modification has been selected for evolutionarily (what advantage does it provide?)Explain 2 primary functions of plant leaves. Also provide one example of a modified leaf and explain why the modification has been selected for evolutionarily (what advantage does it provide?)I. Look for representative specimens of herbaceous dicot and monocot stem. The external parts that can be observed are nodes, internodes, leaf scar, lenticel, and buds (axillary and terminal). Examine and compare their external morphology by answering the questions below: 1.. What is the function of the lenticels? Do all stems have lenticels? 2. How can you differentiate a monocot plant from a dicot plant just by looking at the stem? 3. What advantage would herbaceous stems have over woody stems? 4. What advantage would woody stems have over herbaceous stems? II. Compare the internal anatomy of stems of xerophytes, mesophytes, and hydrophytes. Relate differences to the nature/habit of the different plants.
- (b) Explain why there are more cells observed in mitosis in the root tip than in the woody stem. BoldItalicUnderline2. Distinguish the root from other plant organs. 3. Explain the difference between monocot and dicot roots. 4. State the functions of roots. Are these functions different from the others? 5. What are the advantages of a tap root or a fibrous/an adventitious root to a plant? 6. How does the root's capacity to store photosynthate contribute to water absorption? 7. What do the cohesive properties of water have to do with water reaching the leaves in a tall tree?Describe a modified structure and function of the following plant organs: Leaf - Stem - Root -
- Kindly provide 2 examples plants having "adaptations for twining" including (i) mechanical support (ii) transportation for root materials (iii) production of new plants Kindly sketch the diagramJustify the following statements on the basis of external features (i) Underground parts of a plant are not always roots (ii) Flower is a modified shootExplain what plant specific biological process can be researched with plants that have a free-living gametophyte stage in their life cycle and possible benefits of researching plants with a life cycle that has a dominant gametophytic phase.
- (See attached for image...) Is this an image of a plant root or plant stem? Justify your answer. Is this specimen from a monocot or a eudicot? Justify your answer.10. Modified true or false: Write T if the statement is true; if false, write F, underline the word that makes the statement false and give the correct answer. a. Collenchyma cells give a cell the extra assistance it needs to grow in empty regions like shoots and leaves. b. The cell membrane provides energy for the cell. c. If you looked at the papaya tree's stem and root cross-section through the microscope, the phloem and xylem would be visible in a scattered and circular manner, respectively. d. Plant cells always appear in black and white. e. Sugarcane's stem, a monocot plant, is being observed under the microscope, the presence of pith is noticeable.Justify the following statements on the basis of external features:(i) Underground parts of a plant are not always roots.(ii) Flower is a modified shoot.