........................................ ............................................................................................................................................... (Total 3 marks) 2. no two species can coexist in same niche; one is displaced / one survives; one species has an advantage over competitor / species compete with each other; description of (Gause’s) experiments with Paramecium; [3] 3. Outline the biological consequences of releasing raw sewage into
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The period I chose to focus on was the Antebellum Period of 1789-1812. From this period the three things I chose to touch upon were the Cotton Gin‚ Early Industrialization and the Rise in Manufacturing in the North‚ and the canal system during the Antebellum Period in American history. This period is considered to be the period right before the civil war and after the War of 1812. It was described by the rise of abolition and the gradual polarization of the country between abolitionists and supporters
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The American Dream In the past the American Dream was simply described as an “attitude of hope” originating from The Declaration of Independence which states that “All men are created equal and that they are endowed with certain unalienable rights among which are life liberty and the pursuit of happiness.” Even today if you ask an individual what their view on American Dream is they might repeat those very words‚ but in Herbert Selby’s opinion it does not mean this at all. In Selby’s view the
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Less Developed Countries (population growth) 36. Environmental Impact 37. Exponential versus Logistic population growth curves 38. Density independent versus Density dependent factors in population growth 39. Factors that affect extinction 40. Ecological succession 41.
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emphasis on wide open spaces‚ natural beauty and abundant comfort with plenty of relaxation areas for you to find your favourite niche and unwind. If you want to experience opulence and life great heights‚ Vivaan takes you
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Stomatopods make dwellings in shallow burrows in the ocean and freshwater‚ where they can be protected from predators‚ molt‚ mate‚ and take advantage of stealth by surprising prey (Reaka 1980). The niche of stomatopoda can be found near the equator in different areas of the world (Figure 1). Along with their natural attributes‚ these crustaceans have specialized organs that are about 400 million years old through natural selection based on the ever
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Fish: Fish Niche - Fishes ecological niches that work in with their respiratory systems and gas exchange posess live in water eg. sea‚ rivers‚ streams and ponds. Fish such as cod live near the sea floor with competitors such as red cod‚ spotty and kahawai challenge them. There are predators such as dolphins‚ sharks and also people. Their gas exchange system has to be efficient for them to be able to compete with those fish and escape from predators. Fish live in an acquatic environment. Water
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preferences and specializations. Prey includes coral‚ shrimp‚ fish‚ hard-bodied prey‚ soft-bodied prey‚ parasites‚ and algae. The highly specialized nature of the feeding behavior of the wrasses is responsible for their occupation of very narrow ecological niches. In particular‚ we observed the genus Halichoeres in Belize‚ which includes the Yellowhead Wrasse‚ Halichoeres garnoti‚ as well as the Bluehead Wrasse‚ Thalassoma bifasciatum. This species demonstrates forceful and crushing feeding patterns
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The Use of Genetically Modified Salmon Throughout history there has always been a need to produce large quantities of crops and livestock which contain the most desirable phenotype. Farmers select for these desirable traits on the most fundamental level employing techniques such as selective breeding and the use of fertilizers. However with the ever growing expansion of today’s society the ability to produce sufficient resources using conventional agricultural methods is limited. The science
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mammals underwent adaptive radiation‚ where animals as different as bats‚ whales and larger dogs originated (Stanley‚ 1987‚ p. 8). Adaptive radiation is not a continuous process‚ it happens in steps when the ecological conditions favors it (Vermeij and Roopnarine‚ 2013)‚ like when new niches are created due to climatic changes or tectonic events (Stanley‚ 1987 p. 21; Gillespie‚
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