Title: Transpiration Aim: To study the significance of the pattern of stomatal distribution in Coleus and Lucky bamboo leaf Theory: Transpiration is the loss of water vapour from the surface of the plants due to evaporation. Transpiration can help the uptake of water in the xylem due to transpiration pull. During transpiration‚ mesophyll cells lose water continuously to the air space. This decreases the water potential of the mesophyll cells. Water is then drawn from their neighbouring cells
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the leaves of the marram grass roll up to form long tubes. This helps drain any water down towards the roots of the plant. Match the adaptations of the marram grass leaves with their function Waxy Cuticle Reduce water loss through transpiration Stomata sunk in pits Trap a layer of moist air close to the leaf surface Leaf
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Grade 10 Investigating the rate of transpiration Term 2 Practical SBA task Total: 40 A group of Grade 10 learners investigated the effect of environmental factors on the rate of transpiration. They set up an experiment as shown in the diagram below. lamp air bubble Apparatus used to investigate the rate of transpiration 1.1 1.2 1.3 1.4 State a hypothesis for this investigation. Name the apparatus used in this investigation. What is the significance of the tap? Explain TWO
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The question is what factors affect transpiration? The environmental factors that affect the rate of transpiration are light‚ temperature‚ humidity‚ wind and soil water (Sadava‚ 2010). In lab 3b‚ all of the plants in this experiment will lose a lot of water through transpiration‚ but those affected by the light and the fan will lose a larger amount of water. Then the hypothesis can be factors that increase evaporation will increase transpiration. Plants transpire actively in the light than
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NATIONAL UNIVERSITY OF RWANDA FACULTY OF APPLIED SCIENCES DEPARTMENT OF COMPUTER SCIENCE BACC IV ACADEMIC YEAR: 2012-2013 CHAPTER 1. TOPIC: DESIGN AND IMPLEMENTATION OF AN ONLINE COMPUTER LABS MONITORING SYSTEM CASE STUDY: NATIONAL UNIVERSITY OF RWANDA ICT CENTER/Helpdesk Unit
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Xerophytes A xerophyte is a plant which has adaptations which allows it to live in an environment with little available moisture (the opposite being a hydrophyte). There are some adaptations that are typical of xerophytes‚ usually to reduce the rate of transpiration: A thick waxy cuticle: By having this‚ the plant can limit the amount of water lost through evaporation. If there is little available; why lose what you have? Its shiny surface is also reflective with regards to light‚ keeping the leaf cool
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Title: Rate of transpiration I found interesting to know how different environmental factors affect the rate of transpiration. There are different environmental factors‚ such as light intensity‚ humidity‚ wind and temperature that affect the rate of transpiration. Transpiration is a topic 9 in our Biology higher level book. I have read all the information through this chapter and researched some extra information. Based on this information that I had known I decided to take experiment of environmental
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Introduction: (Total: 10 pts) 1. Transpiration is critical for plant physiology. In your own words‚ what is transpiration‚ and why is this important in plants? (2 pts) Transpiration is the evaporation or loss of water through the pores (stomata) on the underside of leaves. Transpiration is vital to plants because it not only allows the plant to cool itself‚ but it also changes the osmotic pressure of cells allowing for nutrient transfer between cells‚ and between roots and stem. 2. Plants can
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Adriana Gutierrez AP Biology Lab 9 Analysis 1. For this experiment‚ what were the independent variable and the dependent variable? What were the constants? The independent variable of this experiment are the environmental factors that you are testing on the rate of transpiration‚ so our independent variables would be bright light‚ fan‚ dark‚ and misted. The dependent variable is the rate of transportation because this depends on whatever environmental factor the plant is placed. The constants
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131002 Today I will be discussing our experiment and the basics of transport of minerals and water in plants. Transport in plants are called transpiration. Water evaporates from the leaves which cause a type of suction that draws water from the roots. The water travels up via the vascular bundles. This flow of water is called transpiration stream. Some pressure is created forcing some water out of the cells in into the spaces between the cells. The water evaporates and through the process
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