2.1.1 Distinguish between biotic and abiotic components of an ecosystem * Biotic factors in an ecosystem are living‚ biological factors that may influence an organism in an ecosystem * Abiotic factors are non-living‚ physical factors that may influence an organism in an ecosystem 2.1.2 Define the term trophic level * The position that an organism occupies in a food chain‚ or a group of organisms in a community that occupy the same position in food chains 2.1.3 Identify and explain
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http://www.unaab.edu.ng COURSE CODE: PCP 506 COURSE TITLE: Weed Science and Control NUMBER OF UNITS: 3 Units COURSE DURATION: Three hours per week COURSE DETAILS: COURSE DETAILS: Course Coordinator: Email: Office Location: Other Lecturers: Dr. Adeyemi‚ Olusegun Raphael segunadeyemi3@yahoo.co.uk Room 147‚ COLPLANT Prof. Lagoke‚ S. T. O.‚ Prof. Adigun J. A. and Dr. (Mrs) Olorunmaiye‚ P. M. COURSE CONTENT: Weed definition‚ classification‚ and economic importance
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Niral Patel Comp 111 8/10/2012 Research Paper Why Marijuana Should not be Legalized? In America today‚ marijuana is the most commonly used illegal drug. The name marijuana is a Mexican slang word‚ which became popular in the 1930’s‚ which refers to the medicinal parts of the cannabis plant. Marijuana is a green‚ brown‚ or gray mixture that is created through drying the leaves and flowering tops of the cannabis plant. Some of the more popular street names are
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INTRODUCTION: “The devotion of such titans of spirit as Lenin to an Ideal must bear fruit. The nobility of his selflessness will be an example through centuries to come‚ and his Ideal will reach perfection” -Mahatma Gandhi Mahatma Gandhi’s quotation stated above means change should start within you. Just like the great leader Lenin‚ his ideals were able to bear fruit. Likewise in the field of Nursing‚ a nurse’s devotion and passion for change‚ particularly on disease
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6PROTOZOA INTRODUCTION Parasitism A specific type of interaction between two organisms Host-parasite interactions often operate over a longer timescale than those seen with other pathogens Results in significant host-parasite interaction at the cellular and organismal level E.g. Parasites that alter the behavior of the host Giardia lamblia – induce biochemical change in the host cells at the site of infection (duodenal epithelium) Parasites – have life cycles that often involve several hosts (survival
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Ecological Succession in Tropical Rainforest and Tropical Grassland1 Rica Rafaela Y. Jarcia Group 2 Sec. W-4L September 12‚ 2013 1A scientific paper submitted in partial fulfillment of the requirements in Bio 150 (Principles of Ecology) laboratory under Mr. Joseph G. Campang‚ 1st sem.‚ 2013-2014 ABSTRACT Ecological succession can be described as the change in the structure of a community. This succession is relative to the dominant species in the community
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Some may say that history has a tendency to repeat itself. From episodes regarding war‚ to expansionism‚ and incidents of genocide similar examples are present through modern day. While this phenomenon never ceases to replicate the past‚ there are always enough subtle nuances of change that prevent history from repeating itself exactly as before. At a time when European expansionism was begging to take shape war and genocide were prevalent. When Columbus set sail for Asia with the intent of establishing
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ENVS 1000 – ENVIRONMENTAL SCIENCE MIDTERM TEST QUESTION BOOKLET Instructor: Mary Olaveson VERSION Complete the following information: Name: INDICATE VERSION ON YOUR SCANTRON PRACTICE MIDTERM TEST Student #: ANSWER KEY Important Information – CRN: # __________ Please Read Before You Begin Your Test DO NOT REMOVE STAPLES FROM TEST QUESTION BOOKLET RETURN TEST QUESTION BOOKLET with SCANTRON at end of TEST Before you begin the Test: 1. Record your NAME and STUDENT # on the Scantron Sheet
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Links: Predation and Parasitism” 2005. Accessed 26 July 2009. http://www.globalchange.umich.edu/globalchange1/current/lectures/predation/predation.html Woodford‚ Riley. “Alaska’s Most Powerful Bird of Prey.” Alaska Wildlife Conservation News. 2004 December. Accessed 26 July 2009
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INTRODUCTION Levels of organization (cell to biosphere) and characteristics of life Levels: Cells->tissue ->organs & organ systems->organisms->populations->communities->ecosystems-> biosphere Characteristics of life: Cell and Organization: Each cell can only do the job it is tasked with. Example: brain cells Energy Use and Metabolism: Energy is needed many organisms. Energy is utilized in chemical reactions Response to Environmental Changes: responds to stimuli Regulation and Homeostasis: ex:
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