Physiological Adaptation of Fish to Its Environment BIO101 March 11‚2013 Physiological Adaptation of Fish to Its Environment All organisms around the world are sparsely distributed depending on the environment that best suited to their modes of survival. Organisms undergo adaptation – an evolutionary process where they became well-suited to a particular
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Introduction In Diffusion‚ Dialysis & Osmosis lab‚ we discovered that we were going to observe and understand the conditions under which diffusion‚ dialysis‚ and osmosis occur. Then we constructed models of diffusion‚ dialysis‚ and osmosis. We predicted that the direction of change would be from the membrane to the beaker. We understood how these processes affected the selectivity of the cell membrane. The second part of the lab was dealing with dialysis. In this part we studied starch and sodium
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TABLE OF CONTENTS 1. IA (Alkaline Metals) 1.1. H………………………………………………………………………..2 1.2. Li………………………………………………………………………..2 1.3. Na………………………………………………………………………2 1.4. K………………………………………………………………………..3 1.5. Rb………………………………………………………………………3 1.6. Cs………………………………………………………………………3 1.7. Fr……………………………………………………………………….4 1. IIA (Alkaline Earth Metals) 2.8. Be………………………………………………………………………4 2.9. Mg………………………………………………………………………4 2.10. Ca………………………………………………………………………4
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sodium chloride is added to a solution with Saccharomyces cerevisiae‚ then sodium chloride should hinder the growth and reproduction of those cells because the salt concentrations will limit the overall efficiency of the cell’s reproductive processes as well as decrease overall colony size. In our experiment‚ we plan to note the effects of salt on S. cerevisiae by both spot plating to note overall cell colony size and the number of total cells and through the use of electro photometry to also count
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therefore‚ materials have not been a limitation in my practice. My current execution involves re-creating the Chinese guardian lions out of casting plaster. And then the lions are individually submerged in a salt crystal mixture of alum salt (aluminum sulfate‚ Al2(SO4)3 ) and distilled water‚ where salt crystals will form on the surfaces of the lions over a period of time‚ depending on the level of saturation. The Chinese guardian lions are symbolic decorative that traditionally stood in front of palaces
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Unit 6 Lab Report 1. Objective: To find the percent composition of water in an unknown hydrate. 2. Materials: Goggles‚ apron‚ evaporating dish‚ hot plate‚ and stirring rod 3. Procedure: get the mass of a evaporating dish‚ put a sample of the hydrate onto the evaporating dish and mass the dish with hydrate. Put the dish with hydrate on the hot plate on high heat. Break up any clumps that form during the heating process. Observe any color
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reactions with the Finkelstein reaction. The conditions for this are NaI in acetone. NaI is soluble in acetone but the products of the reaction; NaCl and NaBr are not. We will watch the reaction by looking for the first appearance of the solid salts. Acetone is a good solvent for Sn2 reactions because it is a polar aprotic solvent. We will be examining Sn2 reactions with an ethanolic solution of silver nitrate. The silver ion coordinates with a lone pair on the halogen which begins to
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2.3g Mass of filter paper: 0.9g Mass of filter paper and dry benzoic acid: 1.6g Net mass of the dry benzoic acid: 0.7g Step 4: Separating out the salt Mass of cup and sodium chloride: 3.3g Net mass of dry sodium chloride: 1.0g Data Table 1: Experiment Data |Grams|Percent of Mixture| Iron fillings|1.2g|30%| Sand|1.0g|25%| Table Salt|1.0g|25%| Benzoic acid|0.7g|18%| Total|3.9 g|72%| A. In the beginning of the lab‚ I thought that in order to separate all of the solids that the iron
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IB Chemistry Lab Report Design Example— Effect of Temperature on Solubility of Potassium Chloride in Water Research question How does temperature affect the solubility of potassium chloride in water? Hypothesis As the temperature of water increases‚ the particles of solid Potassium chloride‚ KCl‚ which are absorbing energy from its surrounding‚ start moving more easily between the solution and its solid state because. According to the second law of thermodynamics‚ the particles will
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RC II-1 Science/Sensory Age: 5-years-old Activity: St. Patrick’s Sensory Box Goal: To help the kids explore with their hands. Materials and processes: Green rice or green sand‚ spoons‚ green plastic/glass gems‚ foam shamrocks‚ gold coins‚ mini cauldrons‚ a rainbow‚ and a few magnifying glasses. Teaching Strategies: Use the rice or sand to hide the objects‚ with the spoons and magnifying glasses have the kids look for the leprechaun’s gold‚ or find four leaf clovers. Developmentally
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