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    Example of Mutualism

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    algae: They carry out photosynthesis and supply carbohydrates. Leguminous plants and nitrogen-fixation bacteria: Nitrogen-fixing bacteria living in the root nodules of leguminous plants change the atmospheric nitrogen gas into nitrogenous compounds. Functions of leguminous plants: 1. They protect the bacteria. 2. They carry out photosynthesis to make carbohydrates. Functions of nitrogen fixation bacteria It lives inside the root cortex to divide and form swelling nodules. It converts nitrogen

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    Sample Exam 4-Bio 107 1) The layer of the GI tract wall that is responsible for motility is the A) muscularis. B) mucosa. C) serosa. D) submucosa. E) None of the above are correct. Answer: A 2) The process by which undigested material is removed from the gastrointestinal tract is A) secretion. B) urination. C) mechanical processing. D) elimination. E) absorption. Answer: D 3) Once a bolus of food has been formed in the mouth‚ it is passed by the tongue and jaws to the A) esophagus

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    Ammonia and Haber Process

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    7.4 Case Study: The Haber Process: Ammonia for Food and Bombs From: Eros Wang To: Ms. Irumekhai Date: March 30‚ 2012 1. Suggest five factors that could affect the production of ammonia in the Haber process. Explain the effect of each factor‚ using rate theory. The Haber process itself is a delicate balancing act because of all the factors that affect the yield of ammonia. In the Haber process‚ the nitrogen‚ hydrogen and ammonia are in equilibrium. So five factors that affect the

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    Ecosystems Questions

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    1. (a) State what ecologists mean by the following terms: (i) habitat ................................................................................................................ [1] (ii) niche ................................................................................................................ [1] (iii) ecosystem. ................................................................................................................ ..............................................

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    Chemistry spec notes

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    C7 Further Chemistry OCR 21st Century: 2011 specification Made by Nabilah Chowdhury Copyrighted References: OCR 21st Century Further Sciences Book‚ CGP: OCR 21st century + various internet sources Topic 1: Green Industry Brief Intro 14/06/13 Natural resources are converted into useful products. Bulk chemicals produced on a large scale b/c there is a larger demand for them. Fine chemical are produced on a smaller scale. They’re used as feedstock’s

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    BIOENERGETICS

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    BIOENERGETICS ENERGY FLOW AND NUTRIENT CYCLING Ecosystem • It is an area which is self contained and life supporting. • It contains biotic (including plant‚ animal and microorganisms) and abiotic or physical factors (including nutrient cycling). • Examples include: coral reefs‚ deserts‚ savannahs and rain forests. • Several habitats and the communities associated with them make up an ecosystem. http://www.bloggersbase.com/images/uplo aded/original/c622477c9e5a5d2040c71563 31f799b10498611d.jpeg

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    The Fixation of Belief is an article written by Charles Pierce who is an american philosopher born in 1839 and died in 1914‚ he is rightly considered to be the greatest american philosopher‚ he is also found to be the founder of Pragmatism‚ the only philosophical system to originate in the USA‚ Pierce is also considered to be one of the fathers of Semiotics alongside with other philosophers. Fixation of belief is regarded as one of the most important articles written in 1877 for popular science

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    Black8e Ch25 Tb

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    Chapter 25: Environmental Microbiology Question Type: Multiple Choice 1) Which would not be the habitat for terrestrial species of some microorganisms? a) desert b) tundra c) tropical rain forest d) freshwater lake Answer: d Difficulty: Easy Learning Objective 1: LO 25.1 Explain the concept of ecosystems and how energy flows through them. Section Reference 1: Section 25.1 Fundamentals of Ecology 2. Microbes in the environment can be _____. a) producers b) consumers c) decomposers d) all

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    Augusto Gabriel R. Tan Mr. E. P. Salazar Composition IV 18 January‚ 2013 “Oral Fixation: Revenge and Insanity” I. Introduction Hamlet is known to be one of the most complex characters that Shakespeare has ever written. Hamlet is such an enigmatic character because there is always more to his being than what the other characters in the play can see (Alexander Crawford‚ Web). Shakespeare was able to create a personality which is emotional‚ intellectual yet rash and judgmental and shows the

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    The Neolithic and Industrial Revolutions The two changes in the use of the earth’s resources that had the greatest effect on the world population were the Neolithic and the industrial revolutions. The Neolithic revolution (a.k.a. agricultural revolution) was a change in the way of life of our ancestors. It took place about 8000 years ago among various tribes in Asia and the Middle East. It included a transition from foraging and hunting to the domestication of animals (most probably starting

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