The Biological Importance of Water! The ultimate importance of water is none other than the fact that life cannot exist without it. Water being the major component of our body cells‚ typically making 70-95% of it‚ constructs the body mass with approximately 80% being water. Humans are not the only ones who contain the valued material but other creatures like the jellyfish hold 96% of water as their body mass. The structure of the water molecules enables it to have extreme properties that are
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to water flow is offered by their broad lumen. Pitted tracheids link with adjacent cells to form a series of pipes along the stem‚ these pipes increase the resistance of the pipe to the flow of water. When water evaporates from the cells via transpiration‚ more water is drawn into them to
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Adaptations of Savanna vegetation. Savanna vegetation must adapt to survive. Many problems must be overcome‚ such as lack of water‚ very seasonal rainfall‚ poor soil quality‚ grazing animals‚ very high temperatures and fire. 1. Define the following terms: Xerophytic = A plant adapted to living in a dry arid habitat; a desert plant Pyrophytic = plants adapted to tolerate fire Deciduous = Loss of leaves seasonally Perennial = lives more than 2 years Dormant = A condition of significantly
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DEFORESTATION INTRODUCTION: Deforestation‚ clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms‚ ranches‚ or urban use. The term deforestation is often misused to describe any activity where all trees in an area are removed. However in temperate climates‚ the removal of all trees in an area in conformance with sustainable forestry practices—is correctly
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Hard and soft river defences on the Mississippi The dams in the Mississippi river are a hard flood defence. There are two different types of dams on the Mississippi River‚ wing dams and closing dams. Wing dams are built close together with brush and stone structures that extend from the river bank to the channel and closing dams are used to block connections between the main channel and side channels of the floodplains. The advantages of building dams on the Mississippi are that they enhance the
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SCIENCE RATIONALE This syllabus is prepared with a view to address new trends in integrated science teaching and science teacher education. Science has gained world-wide acceptance as a course of study for various reasons such as the concern for social relevance and environmental issues. The teacher is seen‚ as the key to the success of the Educational Reform in Zambia and the effective implementation of the science curriculum will thus depend on the commitment‚ competence and resourcefulness
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The Biogeochemical cycles of Earth Earth with its many species and abundant live is a Biosphere in flux. As time passes with the seasons‚ the earth turning upon it’s axis and the movement of the sun’s rays North to South‚ makes it a place of movement and cycles. There are four cycles that are considered the four major biogeochemical cycles. The hydrologic‚ this is the transport of water around the globe. The nitrogen cycle‚ this is the movement of nitrogen within the biosphere. The carbon
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Georgia is a mountainous country that is surrounded by Azerbaijan in the east‚ the Black Sea in the west‚ the Russian Federation in the north and the Armenia in the south forming a 330km-long coastline. The climatic condition of Georgia varies among the six states` land regions that are well defined by the four seasons: A warm summer that is characterized by an average temperature of around 800C with an added advantage of the Indian summer that stretches into October. It also has an autumn brisk
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Table (Figure 4.1) and graphs (Figure 4.2 and 4.3) clearly depict that the amount of moisture in the soil on the south facing slope is much higher than that of the north facing slope. On average‚ the south facing slope contains 3.5 units of water while the north facing slope only contains 1.3 units of water in its soil. Therefore the amount of moisture in the soil on the south facing slope is signficantly more that of the north facing slope. As can be seen in Figure 4.1‚ all 10 sites have lower soil
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Case Memo – Barilla SpA Student #: 68979111 Giorgio Maggiali‚ as director of Logistics for Barilla SpA‚ was acutely aware of the growing burden that demand fluctuations imposed on the company’s manufacturing and distribution system. In order to address this issue‚ he proposed the innovative idea of Just-‐in-‐Time
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