Effects of salinity on the survival of the Daphnia Introduction The Daphniidae daphnia is a freshwater crustacean from the branchiopod class that is common to most ponds‚ lakes‚ pools‚ streams and springs around the world. The water flea‚ as it is sometimes referred to‚ is very small in size growing to a length of less than ¼ inch‚ it has a flat back‚ a rounded belly‚ black round eyes and a pair of antennae (Kindersley‚ 2006). The Daphnia have leaf-like appendages used in respiration‚ filter
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THE EFFECTS OF ALCOHOL IN THE BODY Excessive alcohol use can cause the pancreas to produce toxic substances that interfere with proper functioning. The resulting inflammation is called pancreatitis‚ a serious problem that can destroy the pancreas. One of the most frequent causes of chronic pancreatitis are alcohol abuse. Alcoholism has been an issue in our contemporary society. It is dangerous.It is becoming extremely tough for the government to fight against alcoholism in Kenya. Central Nervous
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Does caffeine affect the heart rate of Daphnia? Introduction In this experiment I aim to find out if caffeine has an affect on heart rate. Instead of using human subject‚ whom may already have a high tolerance to caffeine or could have ingested caffeine that day making the tests unfair‚ I will use Daphnia‚ a crustacean. They have on contact with caffeine making it fair. It will be easier to observe as it has a translucent body‚ making it able to see the heart beating under a microscope. It will
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Daphnia Experiment Report 1. Introduction Caffeine is found in many plant species‚ where it acts as a natural pesticide. It is found most commonly in cocoa‚ tea and coffee‚ but is also artificially added to some soft drinks such as cola to act as a flavour enhancer. When consumed by humans‚ caffeine works as a stimulant causing amounts of released neurotransmitters to be increased. High use of caffeine has been related with raised blood pressure‚ restlessness‚ insomnia and anxiety which‚ in
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experiment we tested the effects of different adrenalin concentrations (0.001%; 0.01%; 0.1%) on the daphnia flea. The daphnia was placed on a slide with cover slip in order to examine its heartbeat by using the microscope. Aim In this Lab we will study the effect of different concentrations of adrenalin on the heart rate daphnia‚ the water flea. It is expected to recognize a threshold of the daphnia in its reaction the three different adrenalin concentrations‚ in terms of heart rate. Background The
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Effec | Effect of caffeine on plant growth | Description This science fair project was performed to find out the effect on plant growth of adding caffeine to the soil. The experiment was done by using mung bean plants and watering them daily with water‚ water mixed with caffeine and with a coffee mixture. Hypothesis The mung beans watered using the coffee mixture will grow the fastest. Overview Caffeine and plant growth The effect of adding caffeine to the soil and its effect on plant
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Although alcohol is sometimes seen as a recreation‚ it is truly a deadly substance. To start‚ by prohibiting alcohol‚ it will prevent the physical symptoms of alcohol. Also‚ by making alcohol unauthorized for consumption‚ people will also be avoiding health problems. In addition‚alcohol contains hazerdous chemicals that are unhealthy towards humans.To add‚ alcohol also has a numerous amount of non-benefits toward human nutrients consumption. To sum up‚ by making alcohol unauthorized for consumption
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around us. It means alcohol problem consistently has become serious. According to several surveys‚ scores of mid-economy class Australians are drinking at critical condition and winding up in accident and emergency with alcohol-related problems; besides‚ in large part invisible group of professional Australians who are drinking exceedingly‚ causing indescribable suffering to themselves and others. In this essay‚ I will discuss why drinking culture prevalent in Australia‚ the effects alcoholism and solutions
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Bad Effects of Alcohol Alcohol is harmless when not drinking in mass quantities‚ even it helps body in some cases‚ for example wine protects people from heart attacks.However‚ if you get used to drink alcohol‚ you can easily abuse.Alcoholism happens when someone engages in frequent alcohol abuse.As time goes on‚ alcohol starts to alter chemical makeup of brain‚ resulting in user to depend on alcohol so as to feel good.In the end‚ their body starts to crave alcohol in order to function
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Alcohol Dependence‚ also known as alcoholism‚ is a very widespread disabling addictive disorder‚ affecting 4% of Canadians. Alcoholism may start innocuously‚ due to the acceptability of social drinking‚ but over time‚ can lead to serious health problems‚ including brain‚ kidney and liver damage. Although alcoholics seem to be doing the most damage to themselves‚ they are hurting their families even more. Lesser-known‚ but just as serious victims of alcohol abuse are the alcoholics’ children. The
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