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EXERCISE NO. 1 Abiotic Factors poignant Organisms Living organisms occupying a tending(p) home ground be exposed to conditions which are largely defined by the nature of the sensual purlieu they inhabit. Thus, the various abiotic factors that make up the environs are the crest delimitrs of the abundance, distribution and over-all ecology of the biotic units of the ecosystem. The abiotic components are the complex physical factors which include the climatic factors (light, temperature, humidity and wind), the edaphic factors (soil nutrient, pointity and moisture) and the topographic factors (angle of slope and altitude). jibe to A. G. Tangsley (1935), the biotic components could non be unaffectionate from the abiotic with which they form one physical unit, the ecosystem. Objectives: 1.To demonstrate the students with the different climatic and edaphic factors. 2.To know the standard procedures utilise in measuring these factors. 3.To determine variations in the physical environment in a venial sphere consisting of grasses and trees. 4.To identify organisms install in both areas. 5.To see how individual organisms respond to their physical environment.

Materials: gradational string (10m) Thermometer measuring stick stick Psychrometer Aluminum pans Shovel Soil corer pH meter digital weighing apparatus Gloves Beaker (150 ml) scrutiny tubes Glass rod Spatula/ knife Droppers malleable bags/ taste bags Oven Muffle furnace crucible or aluminum dish Dessicator ammonium ion oxalate 10% HCl Diphenylamine Sulfuric harsh (H2SO4) Ammonium molybdate Concentrated nitrous acid (HNO3) Distilled water 70% ethanol gay source White paper Forceps Magnifying lens Small clash or vial Stereomicroscope Millimeter ruler modus operandi: A.Climatic Factors 1.Choose an area with twain tightlipped types of environment (preferably a sedgelike area adjacent to an area with trees). 2.Lay a...If you want to get a abundant essay, order it on our website: Orderessay

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