Rats are various medium sized rodents. "True rats" are members of the genus Rattus‚ the most important of which to humans are the black rat‚ Rattus rattus‚ and the brown rat‚ R. norvegicus. Many members of other rodent genera and families are also called rats and share many characteristics with true rats. A rat has an average life span of 2-3 years[1]. Rats are distinguished from mice by their size; rats generally have bodies longer than 12 cm (5 in). Contents [hide] * 1 Species and description
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love the peace of mind knowing there weren’t rats lurking in your walls? Rats create many problems in the world and I believe we should eliminate all rats. One reason rats need to be eliminated is they spread diseases. According to CDC (Centers for Disease Control) rats spread hemmoragic fever‚ Lassa fever‚ Leptospinosis‚ and many more. Having rats running around infected with possibly fatal diseases is far too dangerous. To emphasize the deadly effect rats have‚ we can look at the Black Plague‚ in
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an individual‚ but also the land on which it is fought. Soldiers‚ who take part in this type of action undergo changes that completely transform them into a distinct person to the one they were before the war. Sometimes physically‚ but almost always emotionally and or mentally. This sort of combat also affects the normal civilians and their ways of living in such a zone since they must find ways to survive‚ which was the case of the people who lived in the Vinh Moc Tunnels along the demilitarized zone
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the body ( from the tip of the nose to the base of the tail: 22cm What is their relative proportion? 1.2:1 PART A (Overview) pg. 462-464 a) Draw a diagram of the rat when it is first cut opened and the internal organs are exposed. Identify and label the diaphragm‚ the stomach‚ the small intestine‚ the caecum‚ the heart‚ the left and right lung‚ the trachea and the esophagus. (Note: see Figure 22 on pg 470 for an example) b) What structure divides the thoracic and abdominal cavities? The Diaphragm
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To be honest‚ I thought “Even the Rat was White” was a pretty interesting book to read because I got to learn more about racism in the white dominated field of psychology. I thought the book did a good job of covering the important facts of racism in psychology because when you look at psychology now in my opinion; it has become more diverse than ever. Before I read the book‚ I didn’t know if I was quite ready to read it since it was going to be about racism in the field of psychology. While reading
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Black Rat Biology Honors Paper The Rattus Rattus (black rat) is one of the most problematic invasive species in the world. Covering 80% of all archipelagos and are found on six continents. Black rats are mainly found on tropical islands such as the Galapagos‚ Hawaii and most of the islands in Central America. Rats prefer to live in areas filled with forests and shrubland‚ but can live on minimal vegetation. Scientists have been able to exterminate this invasive species from most temperate and sub
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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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Brad Picard Mrs. Brousseau English 12 3 January 2013 The Genre of Horror: The Rats in the Walls The Rats in the Walls by H.P. Lovecraft is a horror story that portrays the overall mindset of a man who is trying to restore Exham Priory and the reputation of his family and ancestors from centuries ago. Delapore is a wealthy man who wants to rebuild his family home‚ even against the several horrible stories told by local villagers and his friend Capt. Norrys. Once his restoration of
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Rat Dissection Prelab 1. Is your left like your right side? It should be similar to your right but there can be differences like if damage was done to one side or if one side was mutated and disfigured. 2. Name an animal that doesn’t have a left and right side. Snakes don’t have a left and right side but there is an interesting study about that which is that Adult snakes (16 of 20 snakes) preferred to coil in the clockwise direction. Many female snakes (15 of 20 snakes)‚ but few male
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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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