healthy five-week old albino Sprague Dawley® Outbred rats: (24 females) and (24 males) purchased from Taconic Biosciences‚ Inc. one month prior to the experiment. The rats were purchased one month prior so that they can be examined by a veterinarian to make sure they are healthy before the start of the experiment. Once the rats were deemed to be healthy they were then separated into their according groups in order to start the experiment. The female rats were separated into four groups‚ three experimental
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eat almost anything they can swallow‚ including household scraps and pet food‚ but most of their diet consists of living insects. Rats are medium-sized rodents that are part of the mammal family. Rats are quite similar to mice but with a more distinct look. Their fur colour and differ between white to a black. The average length of a rat is between 13-18 cm. Rats can eat pretty much everything humans eat‚ meaning that the rat’s diet consists of household scraps‚ grains‚ seeds‚ and other small
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JETTY RATS Jetty Rats‚ by Phillip Gwynne‚ is a novel that explores the qualities of friendship. The text positions the reader to believe that friendship is a very important aspect in everyday lives and that it will be very helpful‚ but there will also be a lot of complex situations along the way. Friendships can grow between people of different genders‚ but love will become a factor. Secondly‚ friendships may grow between people who have close similarities but also differences. Thirdly‚ friendships
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deGrouchy Mrs. Psitos Math IMP 2H 18 December 2007 Growth of Rat Populations This POW is about the growth of a rat population over a year. Two rats‚ one male and one female‚ are put on an island that has ideal conditions for rats. The female rat has a litter of six rats the first day‚ and will have a litter every forty days after that. There are three important things to remember‚ and they are that the number of rats in every litter is six‚ three females and three males. Secondly‚ every
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23x1.04^234=222‚602. Roof rat is a quantity item of interest. Food Supply‚ space and competition would keep the population from growing exponentially. 4. Species richness of the sample is 8 4a. 33+29+12+21+2+1+1+1=100 ln(.33)= -1.109 ln(.29)= -1.238 ln(.12)=-2.12 ln(.21)= -1
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Mrs. Kaur GRADE = 78/100 WRC 2013 March 2‚ 2014 Bullying Screaming for Attention On the walls in his room‚ Alex created a word collage that represents him. Entering the room‚ a repetition of the words‚ music and dancing‚ and the ones that created the most reaction‚ show the phrases mounted on his wall screaming “I HATE my life‚” “I HATE everyone‚” and the most frightening‚ “I HATE myself.” This is a real story of a boy in the 8th grade in Hunt‚ Texas‚ as well as a story of other isolated
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Candida - Candida is Morell’s wife and mother of their two young children. Shaw explains that "she possesses the double charm of youth and motherhood. Her ways are those of a woman who has found that she can always manage people by engaging their affection‚ and who does so frankly and instinctively without the smallest scruple." She deeply loves her husband Morell‚ but is quite taken with Eugene Marchbanks’ naïve‚ poetic nature. "This comes of James teaching me to think for myself‚ and never to
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Endangered Species Kangaroo Rat Habitat The Kangaroo Rat lives in arid areas. Many live in the western and southwestern deserts of the US such as California‚ and between the Sierra Nevada /Cacscade and Rocky mountains from southern Canada to central Mexico. The type of habitat Kangaroo Rats live in are sandy‚ rocky soils in deserts with little vegetation. They live in underground burrows that go in at an angle. Some Kangaroo Rats prefer to live in grass-land habitats that are well developed
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conditioning in rats. The purpose of the experiment was to condition rats to suppress certain hunger behaviors such as water licking. Burdick and James paired the neutral stimulus of white light with shock in a “test chamber” to see if rats would develop an association between the two stimuli. Naturally‚ shock induces a fear-like freezing behavior‚ and after being conditioned the rats displayed the same behavior but only to the white light. Furthermore‚ they would then place the rats back in their
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He grew from concrete: The life and death and work of Tupac Shakur. “Screaming Thug Life ‘till I die” (“Life Goes On”). These words have a powerful meaning that most people ignore. Tupac Shakur coined this phrase. Although most people think that this phrase glorifies the “thug” mentality of gang violence‚ murder‚ robbery‚ and being a menace to society. In better perspective‚ most people thought this phrase was glorifying the negative stereotypes of black men. From the outside looking in most
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