Week 7 Essay Define "biological productivity.” When a scientist says productivity is a rate‚ what does she or he mean? List several factors that influence productivity in various ocean environments (the surf zone‚ mid-ocean and the deep abyss). According to encyclopedia2 the definition of biological productivity is “The productivity of organisms and ecosystems‚ as defined by primary‚ secondary‚ and community productivities. So when a scientist says productivity is a rate‚ he or she is referring
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1) Biological Approach The Biological approach studies the relationship between behavior and the brain and nervous system. Theorically all behavior can be related to changes in brain activity. Because brain is the processing centre that controls all complex behavior. One of the main assumptions of the biological approach is that all behavior is associated with changes in brain function. Therefore the psychopathology will occur due to changes in either the structure if related to changes in the
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Experiment title: Preparation of Biological Materials for Microscopic Examination Objectives: 1. To learn how to use a microscope. 2. To study the cell structure of starch grains‚ onion cells and cheek cells. 3. To differentiate the difference between starch grains‚ onion cells and cheek cells. Introduction: Microscope is an optical instrument use to magnify micro objects that hardly or impossible to be observed by naked eyes‚ so that the objects can be studied. Compound light microscope
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González‚ Aurea March 6‚ 2013 Question #1 For many years biological anthropologists have been trying to identify race through genetics but race is not determined biologically. The closest aspect to a biological feature in grouping people is cline; geography making people of the same area in the world similar. Human variation‚ however‚ is classification of skin color‚ eye color; characteristics that are genetic and unchanging genes. Genetic traits have nothing to do with race; it influences
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The psychologist taking the biological approach would respond with an explanation of how the brain may be deficient in a certain area. He/she may suggest that there is a chemical imbalance in the brain causing the irrational actions displayed by the criminal. There may be any number of chemicals in the brain that could be off and affecting reactions in the nervous system all the way into the parasympathetic and sympathetic nervous system. Additionally‚ the psychologist may attribute genetic markers
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The biological components may be an inherited gene that was passed to this adult such as alcoholism‚ depression or anxiety. If alcoholism is in the family‚ the young adult could of inherited the gene and believes that having drinks to relax is the way to go. The effect of alcohol on the individual contributes to the drinking to excess to unwind. The biological status of the individual pertains to the biological and inherited characteristics which affect the response to the alcohol and the mood the
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STRESS AND HEALTH: Psychological‚ Behavioral‚ and Biological Determinants This article from the US National Library of Medicine National Institutes of Health is quite reputable and covers numerous aspects dealing with stress. This cite discusses the effects of stress on the human body‚ beginning with childhood and into adulthood. Additionally‚ it elaborates on the consequences of stress that may deal with smoking‚ substance abuse‚ as well as accidents‚ sleeping problems‚ and eating disorders
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Biological Currency The objective of this lab is to figure out whether or not this money is counterfeit. We will attempt to find the information needed to prove that the money is counterfeit or not by looking at it under a microscope and by using iodine drops to compare the money’s result with the results of different items. Counterfeiting money is not a new to any country. It started when paper money was first made. Some countries attempt to counterfeit rivals money to drive their economy downward
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eat and there are periods of time when the digestive tract is empty. Therefore this essay will look at the biological control of eating. Although the body has short them and long term reservoirs of food‚ our body uses hunger signals to tell the brain when it is time to eat. There are many different reasons why this occurs and this will be explained throughout this essay. Before the biological process to actually make the body get up and go for food‚ the short term and long term reservoirs begin to
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\Biological Intercations Biological interactions are the effects organisms in a community have on one another. In the natural world no organism exists in absolute isolation‚ and thus every organism must interact with the environment and other organisms. An organism’s interactions with its environment are fundamental to the survival of that organism and the functioning of the ecosystem as a whole. In ecology‚ biological interactions can involve individuals of the same species (intraspecific interactions)
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