ENDANGERED SPECIES Introduction An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers‚ or threatened by changing environmental or predation parameters. The International Union for Conservation of Nature (IUCN) has calculated the percentage of endangered species as 40 percent of all organisms based on the sample of species that have been evaluated through 2006.Many nations have laws offering protection to
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We belong when we feel connected to others and the world. This notion is clearly portrayed through my texts Rainbows End by Jane Harrison‚ The Rabbits by John Marsden and The Ugly Ducking Illustrated by United Artists. Belonging is a mind set‚ which is at times affected by factors such as social status‚ individual circumstances and culture. Problems can often arise due to these factors and through my representations of belonging I will reveal and evaluate these significant issues. My first text
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PRACTICAL 6: OSMOREGULATION AND EXCRETION Introduction Many animals need to control the water content of their body because the concentration of their body fluids is different to that of their environment. The process by which the amount of water and concentration of soluble ions in the body are regulated is called osmoregulation. In most cases the organs which are responsible for osmoregulation are also involved in the excretion of metabolic waste products. In this practical you will
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Biology is the study of life and living organisms‚ from the smallest bacteria to giant sequoias. Biologists use observation and experimentation to gain an understanding about the natural world. Branches of biology include anatomy‚ biotechnology‚ botany‚ cell biology‚ ecology‚ genetics‚ medicine‚ microbiology‚ molecular biology‚ and zoology. Many people entering the field of biology become specialized in a particular area. As a course‚ biology encompasses four main themes: 1. The process
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September 11‚ 2008 Feature Story Case Study: Nau Innovating for Social Consciousness By Alex Slawsby Can a for-profit enterprise succeed if its main innovation is valuing social consciousness as much as shareholder returns? The question is particularly relevant in a time of high gas prices and a growing sense that our current consumption of natural resources is simply unsustainable. The founders of Nau‚ a fledgling retail outerwear company‚ believed the answer to this question to be a resounding
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Kevin Shane Cantley Dorothy Dimeling English Composition 101 March 7‚ 2007 Banff National Park‚ the oldest National Park in Canada‚ is located in the Canadian Rocky Mountains in the province of Alberta. “There are many resorts and lodges for tourists‚ one being an upscale accommodation designed in the likeness of a Scottish baronial castle.” (Mobile 5) Banff National Park is 6‚641 square kilometers of mountain landscape. “The snow-capped mountains of the Canadian Rockies reflect mirror images
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Vivisection (dissection of a living organism) was originally practiced on human criminals in ancient Rome and Alexandria. The increase in the owning of pets started an interest in an anti-vivisection movement‚ mainly in England. The Society for the Protection of Animals
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large and flat‚ * Cephalopoda – This includes: nautiloids‚ squids‚ and octopus. * Contain both a head and foot. * The shell is almost completely reduced or absent. * The foot is modified into arms or tentacles. Looking at the dissection pictures‚ one can see that they have a well developed circulatory system to aid them with living in the ocean. Photo below shows cephalopod circulatory system. Image taken from biology.ualberta.ca Moving on to the digestive system‚ one can see
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Animal cruelty has been a problem for many years‚ but also a major topic all over the United States. Over the years there has been people who have been trying to stop the cruelty to of these innocent animals. For example‚ Peter Singer and his book Animal Liberation‚ which caused the movement in 1975 to experience a veritable organizational explosion ( Beers 3). Just imagine how many animals are fighting for their life because of their heartless owners who believe it is okay for them to treat an
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Introduction/Background: In this lab students are learning all about chordates and vertebrates and will be viewing examples of them as well. The examples to be viewed in the lab are Tunicates‚ Lancelets‚ Lampreys‚ Rays‚ a Dogfish shark‚ a Perch‚ Catfish‚ Eels‚ Toads‚ Frogs‚ Lizards‚ Snakes‚ Roadrunner (foot)‚ Barn owl (wing)‚ Cotton tail rabbit ‚ and an Opossum. The different types of chordates/vertebrates discussed in this lab are the urochordata‚ cephalochordate‚ craniates‚ gnathostomes‚ chondrichthyes‚ actinopterygii
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