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- a. Identify the Organs of the Respiratory System and its functions. Identify the Plant structures responsible for gas exchange and its functions. b. List down at least 3 Respiratory problems. What are their causes and symptoms?Consider tracheary elements with annular thickening (annular secondary walls) and those with pitted walls. Which is weaker? Which has a large percentage of its primary wall free of secondary wall and available for watermovement? Is one always more selectively advantageous than the other? Under all conditions? Explain.When you cut a stem of a herbaceous plant, you observe fluids continually seepingupward and out of the cut. Name the type of pressure involved and how it works Type of pressure: Mechanism:
- Consider tracheary elements with annular thickening (annular secondary walls) and those with pitted walls. Which is weaker? Which has a large percentage of its primary wall free of secondary wall and available for water movement? Is one always more selectively advantageous than the other? Explain.(a) Define the following terms i. Transpiration ii. Osmosis iii. Capillary action iv. Surface tension (b) Write down the structure and functions of tracheids in xylem tissue?. How would the long-distance transport of water beaffected if tracheids and vessel elements were alive atmaturity? Explain.
- Section E. Estimation of the Water Potential (Ψw) of Storage Tissue by Volume Change Method pls answer tysm!Subject: Environmental Physiology State the percentage range of the fresh weight of plants that is made up of water, and situate herbaceous and woody plants in this range.(a) There are two components to the conducting system in secondary tissues, one responsible for conduction longitudinally (root to shoot and vice versa) and the other responsible for lateral conduction. Name these two systems. (b) Which type of vascular cambium initial gives rise to each of the components named above.
