Scope of Ecology Ecology – definition Abiotics vs biotic factors Ecological time vs evolutionary time Organismal biology Organism – population – community – ecosystem Community ecology Ecosystem ecology Landscape ecology Rachel Carson – DDT – wrote book “Silent Spring” – know her story Section B1 – Factors Affecting the Distribution of Organisms Global patterns in distribution of organisms (know names and locations of
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Climate change is a global concern that affects many species and ecosystems; polar bears are essentially the poster child for species impacted by Earth’s warming temperatures. “Earth’s 2015 surface temperatures were the warmest since modern record keeping began in 1880‚” according to independent analyses by NASA and the National Oceanic and Atmospheric Administration. Polar bears depend on sea ice in the Arctic for all aspects of their life; global warming has caused a marked decrease in the polar
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OCEAN PLASTICS POLLUTION: A GLOBAL TRAGEDY FOR OUR OCEANS AND SEA LIFE Plastic never goes away. And it’s increasingly finding its way into our oceans and onto our beaches. In the Los Angeles area alone‚ 10 metric tons of plastic fragments — like grocery bags‚ straws and soda bottles — are carried into the Pacific Ocean every day. Today billions of pounds of plastic can be found in swirling convergences making up about 40 percent of the world’s ocean surfaces. Plastics pollution has a direct and
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ABSTRACT In this experiment‚ our objectives are to examine the effect in a tubular flow reactor and to construct a residence time distribution (RDT) for both pulse input and step change. The first experiment is the effect of pulse input in a tubular flow reactor. Before the experiment was done‚ we need to do some general start-up process in order to get a better result and to avoid errors during experiment. After that‚ a constant flow rate was set up at about 700 ml/min. After that‚ both of the
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San Joaquin River Restoration Project: Irrigating the Valley The San Joaquin River is the backbone of the San Joaquin Valley. The valley is not only the nation’s most agricultural area but it is also one of the entire worlds. Millions depend on the crops that come form this luscious valley. The river has gone through many drastic changes over its illustrious lifetime. Once it was a magnificent 350 miles long it is now one of the nation’s ten most endangered rivers. The river once flowed with
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Preliminary Biology 2015 Assessment FOR Learning (AFL2) (this is NOT for a mark‚ but for practice) PART A: MULTIPLE CHOICE/SHORT ANSWER 10 Marks Mark Answers on this page 1. Which of the following is the general equation for aerobic cellular respiration? A. green plant plant eater meat eater B. water + carbon dioxide glucose + oxygen C. Glucose + oxygen carbon dioxide + water D. Carbon + oxygen carbon dioxide + water (plus energy) 2. Why are decomposers so
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Discuss the PESTEL changes of an organization over the last decade. PESTEL Analysis for Coke Coca-Cola‚ the largest manufacturer‚ distributor and marketer of beverage concentrates and syrups in the world. Coca-Cola is recognized as the world’s most valuable brand. They market four of the world’s top five non-alcoholic sparkling brands‚ including diet and light beverages‚ mineral water‚ enhanced waters‚ juices and juice drinks‚ teas‚ coffees and energy and sport drinks. Through the world’s largest
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Ryan Abbott Professor Conz Book Review 4 April‚ 2013 My Green Manifesto In the educational book‚ My Green Manifesto: Down the Charles River in Pursuit of a New Environmentalism‚ David Gessner goes into depth describing Dan Driscoll’s journey down the Charles River. His adventure speaks out to the readers by influencing others to get outside more so that one can appreciate the nature that is given to us on this planet. Gessner believes that if people get outside more they will soon start to
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Environmental pollution‚ problems and control measures A. Introduction and definition of environmental pollution – We know that‚ a living organism cannot live by itself. Organisms interact among themselves. Hence‚ all organisms‚ such as plants‚ animals and human beings‚ as well as the physical surroundings with whom we interact‚ form a part of our environment. All these constituents of the environment are dependent upon each other. Thus‚ they maintain a balance in nature. As we are the only organisms
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Perspectives Public Health in India: Dangerous Neglect Public health services‚ which reduce a population’s exposure to disease through such measures as sanitation and vector control‚ are an essential part of a country’s development infrastructure. In India‚ policies have focused largely on medical services. Public health services‚ and even implementation of basic public health regulations‚ have been neglected. Various organisational issues also militate against the rational deployment of personnel
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