ENVIRONMENTAL SCIENCE (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this Paper is the time allowed for writing the answers. Attempt all questions from Section A and any four questions from Section B. The intended marks for questions or parts of questions are given in brackets []. SECTION A (40 Marks) Attempt
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Sustainable Development in South Asia * Sustainable Development (SD) implies economic growth together with the protection of environmental quality‚ each reinforcing the other. Sustainable Development‚ thus‚ is maintaining a balance between the human need to improve lifestyles and feeling of well-being on one hand‚ and preserving natural resources and ecosystems‚ on which we and future generations depend. The main features that all the definitions have are as follows: * A desirable human
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Geography 3.6 | Analyse aspects of a contemporary geographic issue | A contemporary geographic issue refers to a topic‚ concern‚ problem‚ debate‚ or controversy related to a natural and/or cultural environment‚ which includes a spatial dimension‚ and is currently unresolved. The deforestation that is currently occurring in Africa is a contemporary geographic issue‚ as it is a concern for the African environment‚ covering the region of sub-Saharan Africa‚ and is still on-going in the present
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Cited: Larsen‚ Janet. "The Sixth Great Extinction: A Status Report." Humanist 64.6 (2004): 6. MAS Ultra - School Edition. Web. 18 Mar. 2012. Majeres‚ Julie. "The Politics Of Biodiversity." World & I 17.12 (2002): 54. MAS Ultra - School Edition. Web. 18 Mar. 2012. "Periwinkle Points Up Value Of Rare Plants." International Wildlife 30.2 (2000): 9. MAS Ultra - School Edition. Web. 18 Mar. 2012.
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peat pot was a sample‚ you found in a group of wildflowers‚ would you determine based on the diversity of flowers that the ecosystem is healthy? Yes‚ the ecosystem is healthy because of the diversity. 5. How does biodiversity contribute to overall health of an ecosystem? Biodiversity contributes to the health of an ecosystem when various species depend‚ rely‚ and share the same responsibilities to ensure a healthy balance within the ecosystem. If one species‚ like the Ryegrass‚ over took the other
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extinction greatly modify the food chain or have other long term effects etc. 2. What is biodiversity? What is conservation biology? How are these two terms related? Biodiversity is several different species located in one ecosystem. Conservative Biology is the scientific study of biodiversity that’s main focus is protecting species and biodiversity. These two terms are related because one explains what biodiversity is and the other is the
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ABSTRACT Ecosystem service is a new term in the context of our country. The concept of payment to environmental services is a broad umbrella for the conservation of watershed. Watershed is the important part in the livelihood of people. With the watershed people survive and help it thrive. People here are the makers as well as destroyers. Within the watershed there are upstream dwellers that mainly provide the service to the dwellers living downstream. Hence this project is for the conservation
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“Meiosis and Genetic Diversity in the Model Organism‚ Sordaria fimicola” November 4‚ 2013 Biology 110- Basic Concepts and Biodiversity Fall 2013 I. Introduction The Earth is home to various forms of life contributing to the endless biodiversity that we see in our daily lives. In environments around the world there are distinct correlations between the environment and adaptations acquired by the organisms that live there. It has been shown that these adaptations
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losses‚ and argued that the Green Economy‚ as advocated by the UN‚ is not a new approach at all and is actually a diversion from the real drivers of environmental crisis. He has also criticised the UN’s project on the economics of ecosystems and biodiversity (TEEB)‚ and the basis for valuing ecosystems services in monetary
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Kolbert’s logical appeal strengthens her argument‚ as she weaves a compelling thread of logic and scientific evidence into it. For instance‚ Kolbert writes about the introduction of rosy wolfsnails in Hawaii in the 1950’s to exemplify the repercussions of introducing new species in a habitat‚ such as threatening the well-being of native ones (Kolbert 2014‚ 203). According to Kolbert‚ Hawaiians first introduced the rosy wolfsnail in their island to reduce the population of giant African snails‚ which
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