Question: What is meant by ‘eutrophication’? Explain with reference to the severity of the problem in your own country. Eutrophication is the ecosystem response to the addition of artificial or natural substances to an aquatic system. (Schindler‚ David and Vallentyne‚ John R. 2004)Most people don’ t really know about it‚ so I’m writing this essay to tell some facts about two major causes‚ the bad effect in my country – China and the prevention and reversal and how can the algae be used to make
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The Rocky Shore Experiment Research Question: How does type of substrate affect the variation of species and vegetation as you move away from the seashore at a Rocky Shore? Hypothesis: As we get further away from the seashore‚ there would be a decrease in the number of species and vegetation found. Also‚ the type of substrate will have a major affect on the biodiversity. Background Information: A rocky shore is an intertidal area of seacoasts where solid rock predominates. Rocky shores are
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I. BACKGROUND 1838 Louis Audemars invents stem winding and setting mechanism 1868 Patek Philippe makes the first wrist watch 1888 Cartier produces ladies wrist watch with diamond and gold bracelet 1902 The first Omega wrist watch is produced 1904 One of the most famous early wrist watches appears ? the Santos-Dumont producedby the house of Cartier 1910 Longines begins wrist watch production 1923 Invention of the automatic wrist watch by John Hardwood 1925 Patek Philippe produces the first wrist watch
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P3 – In this task I’m going to explain how factors affect travel to long-haul destination. Time zones and length of flight There are many travel factors that tourists take into consideration when choosing a long haul destination. The term used for this world standard time is Greenwich Mean Time (GMT). This term evolved in 1884 and from that time each area of the world took on a time that was either behind or ahead. For example‚ Africa is two hours ahead of GMT‚ so we refer to the time as GMT+2.
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after three weeks. Another ecological factor can include nutrients. The chiton has a higher survival rate in the upper intertidal area because they can find their main nutrient‚ algae‚ there. On the other hand‚ a snail will prefer the lower intertidal zone because it is richer in organisms which they can feed on. We can verify this by designing our own experiment‚ or doing some more in-depth research on the two species and the two locations. 2. The estimated number of soldier flies in this local population
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once they have caught the ball and past it within 5 seconds. If the ball touches the ground or floor the ball goes to the other team. There are no downs as the ball is continuously in play. It is a touch down when a player catches a pass in the end zone. All touchdowns are worth 1 point. The game is played best when the offensive team spreads out and keeps moving using the entire field. The defensive game rules are‚ each player stands near an opponent in a person to person defense. The
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Chapter 2 Literature Review 2.0: Introduction This Chapter is a literature review of road traffic accidents and casualties in Bangladesh and comparisons with developing-developed countries worldwide. The review identifies and reports on‚ the findings from studies carried out in this area and worldwide. A discussion is provided on the importance of data considerations‚ particularly with respect to discrepancies that are existed in casualty data from different sources. Everyday thousand
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online classes are that all students get to meet up and talk to the professor and discuss class at the same time. They are from different time zones but they learn the same information due to they are taking the same class. However the down fall I see to this is the time of day the students will be getting on to talk to their professor depends on their time zone. Some of the students may have to get off work or schedule around other things to do their class work. Another disadvantage to this is some
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highlight how alternative management options might mitigate their impacts. 2. Urban infrastructure supports different epibiota and associated assemblages and does not function as surrogate of natural rocky habitats. Its introduction in the intertidal zone or in near-shore waters can cause fragmentation and loss of natural habitats. Furthermore‚ the provision of novel habitat (hard substrata) along sedimentary shores can alter local and regional biodiversity by modifying natural patterns of dispersal
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Week 7 Essay Define "biological productivity.” When a scientist says productivity is a rate‚ what does she or he mean? List several factors that influence productivity in various ocean environments (the surf zone‚ mid-ocean and the deep abyss). According to encyclopedia2 the definition of biological productivity is “The productivity of organisms and ecosystems‚ as defined by primary‚ secondary‚ and community productivities. So when a scientist says productivity is a rate‚ he or she is referring
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