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Aquatic Snail Case Study

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We also collected quantitative data for the aquatic chamber. We collected how much dissolved oxygen in the water, the pH of the water, and the water’s temperature. It was Billy’s job to collect the temperature of the water and how much dissolved oxygen there was in the water. To find the temperature of the water, Billy used a temperature probe that could be put in the water and placed it into the water. Billy then used a special probe that measures the dissolved oxygen and placed it into the water to get the amount of the dissolved oxygen. We decided to measure the amount of dissolved oxygen and the temperature to see if those measurements were right for the fish and the aquatic snail to survive. Diego had the job of measuring the amount of
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The built-in probe in the chamber measured the dissolved oxygen concentration in the chamber’s water (mg/L), which could reflect the oxygen consumption rate of goldfish. After the fish accommodated to the new environment, the oxygen concentration data were collected every 20 seconds for 10 minutes by the Logger Lite program. The data were then plotted into a scatter chart and analyzed with a linear trendline, to obtain

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This laboratory experiment involving invertebrates is conducted to enable students to investigate Daphnia magna’s responses to external stimuli, therefore developing a better understanding and knowledge of homeostasis that occurs in organisms and the reaction and behavior exhibited by the daphnia magna when varying conditions are exposed to the organism compared to its natural environment conditions (Carter-Edwards et al, 2011). In order to understand the experiment, a foundation of information about the chosen organism such as its natural environment and physiology must be understood. According to Clare (2002) and Ebert (2005), Daphnia magna are small planktonic crustaceans belonging to the subclass Phyllopoda, found in lakes and

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Ingrown toenail Overview: Doctors call ingrown toenails which, translated, means “nail ingrown. " Many people are struggling with this discomfort that, more often than not, leads to real problems. The ingrown toenails occurs when part of the nail (or foot Hand) sticking into the skin causing swelling and inflammation. This usually occurs when the nail bed is insufficient to contain the nail that, then, to expand, creates a furrow abnormally. Causes: There is no single cause that determines the problem ingrown nail.

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A country that is an exemplification of the diversity of life is Australia. This country has consistently evolved over centuries and its various species is a reflection of this. Within the Australian ecosystem is a population of rare snails. These snails are known scientifically as Thersites mitchellae or commonly referred to as the Mitchell's rainforest snail. These are a species of snails most widely known for their vibrant and colorful shell.

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Question 1 Duty of care is defined as “the legal duty to take reasonable care to prevent causing harm or injury.” There will be a breach of a duty of care owed to the claimant if there is an act or omission that causes the harm or injury. The neighbour principle is where a person can reasonably foresee that his or her actions may cause physical damage to another person or property of others, thus there is a duty to take reasonable care in most situations (Law & Martin (ed.) 2013, p. 187). Lord Atkin developed the neighbour principle in the famous case of Donoghue v Stevenson [1932] AC 562, also known as the Snail in the Bottle case, to determine when a duty of care might arise. The existence and extent of the duty of care will depend on the

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