Report Course #: BIOL1004A Lab #: 2 Sexual Dimorphism in Arctic Foxes Kathryn Brechun Date Performed: January 29‚ 2014 Date Submitted: February 12‚ 2014 Lab Period: Thursday AM Station: B3 T.A: Genevieve Perkins Abstract Sexual dimorphism in the feeding structures and sexual selection is a common phenomenon in nature. The purpose of this lab was to determine if canine size and bite force is sexually dimorphic in Arctic foxes (Vulpes lagopus). The canine width of female and male fox
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SKELETAL SYSTEM The Arctic wolf’s body is built for long-distance travel and withstand different types of weather than other wolves. The Arctic wolf’s skeleton system is made for them to run‚ jump‚ and catch their prey. The part of the wolf’s skeletal starts with the part of the body that has bones of the limbs‚ skull‚ and a deep chest. 1. The limbs of the wolf include the legs and toes. The wolf has long legs‚ large paws‚ and short toes. The wolf has five toes on the forefeet and four toes on
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Further adding to the consequences‚ such a sea level rise could cause extensive erosion of the continents‚ islands and possibly other ice caps. The extra infrared radiation captured by atmosphere through the greenhouse effect is transferred into the Arctic ice caps as potential energy where the water (H2O) molecules vibrate faster and break their bonds due to the process of latent heat‚ where the temperature of the ice is prevented from falling or rising until the bonds break and a state change occurs
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For years there has been an environmental debate on whether oil drilling should begin in the largest refuge in the United States‚ Alaska’s Arctic National Wildlife Refuge [ANWR]. High potential for oil within the refuge is estimated but the environmental impacts of oil drilling is harmful and destructive. Oil drilling in the Arctic National Wildlife refuge has pros and cons‚ however‚ cons are more significant as it deals with the environment and animals rather than politics and the economy. Pollution
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In this case study‚ we see how Tom Parker managed his team for the company Arctic Mining Consultants. Parker his responsable to hiring‚ training and supervising a team of assistants fields. A project manager made a report to Parker concerning the result of the objective. The team are composed by 3 fields assistants : John Talbot‚ Greg Boyce and Brian Miller all of them had work before with Parker. The team need to stake a fifteen claims in Eagle lake‚ British Colombia in Canada : marks a line with
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Ecosystem Preservation versus Conservation Earth is composed of many different ecosystems and each one is a "dynamic complex of plant‚ animal‚ and micro-organism communities interacting with the non-living environment as a functional unit" (Protecting Threatened Ecosystems‚ 2004). These ecosystems are an intricate part of the human lifecycle as they provide us with our water‚ food and energy. Since mankind is in a take and take some more relationship with the ecosystems‚ many of them have had their
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this project because in previous years and class we were just well known about the term “ecosystem” but now as we have done this project we have now learned various things about ecosystem in depth and that will help us in our course study in coming days. This project is based on term “ecosystem” and “Food chain” after going through it many will be able to answer these questions: * What is an ecosystem‚ and how can we study one? * Is the earth an open or closed system with respect to energy
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Urban ecosystem and Ecopolis Lai Wei March 29‚ 2012 Introduction When people talk about the city‚ the first thing they thought is the building and the traffic. It’s hard to connect city to the ecological and the environment. But as the humanity is rapidly urbanizing‚ by 2010‚ more than 50% of the world population is expected to live in the city. (The World Bank‚ 2010) Cities can be tremendously efficient. It can easier to provide water and sanitation for a large number of people living
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The Arctic: Environment‚ Economic Development and Security Although many definitions are available‚ the “Arctic” is everything North of the 60th parallel of northern latitude. Canada has three territories and several tips of other provinces which total 40% of Canadian landmass that fits the definition of the Arctic. In this landmass‚ an estimated population of more than 100‚000 Canadians call it home. (The Canadian Arctic‚ 2013) This land and these people have needs and desires that are up to the
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board of the Millennium Ecosystem Assessment. "Human activity is putting such strain on the natural functions of Earth that the ability of the planet’s ecosystems to sustain future generations can no longer be taken for granted‚" it said. Ten to 30 percent of mammal‚ bird and amphibian species were already threatened with extinction‚ according to the assessment‚ the biggest review of the planet’s life support systems. "Over the past 50 years‚ humans have changed ecosystems more rapidly and extensively
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