"Rat and toad dissection" Essays and Research Papers

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    Formal Practical Report

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    Report Tittle: Rat dissection Date: 16/10/2013 Partners: Sanketh Yadav and Joel Chittiprolu 8C Aim: To investigate the rat’s digestive system and compare the differences and similarities of the organs with the Human’s digestive system and measure them. Materials/ Equipment: Lab court Nitrile Safety Gloves Camera or Phone to take pictures Scissors Probe Scalpel Rulers Nails Bench Plastic bag for excreting waste Eucalyptus Room spray Newspapers for keeping dissection area clean

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    but can we risk animal’s life? In 2005‚ the USDA reported that 1‚177‚566 animals were used in the laboratory‚ excluding mice‚ rats‚ birds‚ fish‚ etc. The scientists mostly failed to make new discovery‚ and even if they did‚ it was not effective because humans and animals are very different. Animals are also used in education‚ but some students and parents consider dissection of animals as teaching

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    WHAT IS A FETAL PIG

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    CLASSROOM DISSECTION        Anatomy of the fetal pig closely resembles that of man. Unlike a frog (an amphibian)‚ the fetal pig is a mammal.     Economical - fetal pigs can cost less than using the same size frog‚ rat or any other vertebrate.     By-product of the food industry. These fetal pigs are considered waste products of packing houses.     Abundant - as long as pork is consumed‚ fetal pigs will continue to be available.     The fetal pig was never born; it did not "die" for dissection purposes

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    Plaque

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    by-product of a single flea bite. Erasmus of Rotterdam states‚ “The plague and sickness in England is due to the filth in the streets and the sputum and dogs’ urine…” which could be close to the correct answer because the fleas infected the rats and then the rats infected other animals which then infected the humans. Giovan Flippo a physician seemed to think people in higher positions would try to take power from some and frighten others. With so many deaths‚ Europe was socially devastated. Economy

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    Overkill Hypothesis

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    The abrupt extinction of the megafauna during the Pleistocene in North America dwindled the large animal population to about 70 percent (Martin). The cause of this massive extinction is unclear due to lack of evidence during this time‚ but there are many subjective beliefs that involve both ecological and environmental forces. An ecological force such as human hunters are one hypothesis that is believed to have caused the extinction of the megafauna. This hypothesis is known as the “overkill hypothesis

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    Food Chain

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    called tertiary consumers. * Predators - kill for food. They are either secondary or tertiary consumers – e.g. Tigers‚ Eagles * Prey - are the organisms that predators feed on. Examples of predator and prey species are: fox and rabbit; bird and caterpillar; rat and snake. 3. Animals and people who eat BOTH animals and plants 4. They eat decaying matter - dead plants and animals and in the process they break them down and decompose them‚ when that happens‚ they release nutrients and mineral

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    On the power of man: A position paper on synthetic biology BBC Horizon’s documentary “Playing God” has given its viewers a glimpse on the technological advances of the field Synthetic Biology‚ a field that dwells on the so-called artificial life. Like what almost all the field of science has been brought about‚ synthetic biology’s aim is to be of benefit to the human kind—to serve our dominant race for scientific and economic prosperity. In itself‚ however‚ ethical issues are bugging this

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    amphibians are animals that have the physical capabilities to live in water and on land. Sarah Wilkes states that the amphibian derived from the Greek word amphibious‚ meaning “double life” (4). There are several types of amphibians which include frogs‚ toads‚ newts‚ salamanders‚ and caecilians. They are classified as vertebrates. They have a vertebral column‚ which is a series of small bones that run down their back to provide support. The same column can be found in mammals‚ birds and reptiles (Wilkes

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    are living things just like us. In fact we are not much different from each other. Animals breathe‚ eat‚ sleep‚ and dream. We do to. They have family and friends and we do to. We can’t abuse dogs or any pets. This world is about balance if you use rats then snakes won’t have enough food. After snakes go down then hawks won’t have enough food either and so on. The scientists can abuse animals for human needs. . And most animals are cute innocent creatures like bunnies. If us humans wouldn’t like to

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    To go on a journey does not necessarily require one to physically move from one place to another. A journey can happen anywhere‚ and at any time‚ even if you are not moving. An inner journey is to transcend above the physical and temporal world into a spiritual realm. This enables one to look at life attentively and be alert to the lessons learnt from experience. ‘Of Eurydice’ by Ivan Lalic‚ ‘Fax X’ by Gwyneth Lewis‚ ‘Wind in the Willows’ by Kenneth Graham‚ ‘The Road Not Taken’ by Robert Frost‚ ‘The

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