Scsc 301 exam 2 exam - Study guides, Class notes & Summaries

SCSC 301 TAMU Exam 2 Howe – questions and answers

SCSC 301 Exam 2 with Questions and Answers Soil Atmosphere ANSWER -Varies from atmosphere -Contains 2 main gases needed for the two most important biological processes -High CO2, lower O2 than atmosphere -vital for soils to exchange gases Photosynthesis - consumes CO2 and H2O and releases O2 and produces sugars Respiration - Consumes O2 and releases CO2, H2O, and energy -Microbes and plant roots need O2 and removal of CO2 C6H12O6 + 6O2 --> <-- 6CO2 + 6H2O Oxygen Availabi...

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SCSC 301 Exam 2 Review with Questions and Answers autotroph ANSWER -uses inorganic carbon -obtain energy from sun -obtain energy from oxidation of inorganic elements or compounds (Fe, S, H, ammonium, nitrates) heterotroph ANSWER gets carbon and energy from organic compounds aerobe ANSWER only grows in presence of molecular oxygen anaerobe ANSWER only grows in the absence of molecular oxygen facultative anaerobe ANSWER capable of both aerobic and anaerobic metabolism examples ...

SCSC 301 Exam with Practice Questions and Answers A soil has a bulk density of 1.3 g/cm3, a particle density of 2.6 g/cm3, a total porosity of .5, and a gravimetric water content of .2. calculate the water-filled porosity. a) .2 b) .24 c) .26 d) .5 e) 1.30 ANSWER c After a growing season of heavy tillage traffic across a soil, a property that is affected is: a) texture b) bulk density c) particle density d) consistence e) color ANSWER B From a biological point of view, the...

SCSC 301 Tamu Exam 1 with Questions and Answers Chapter1 The Soils Around Us: Why is soil important? ANSWER 5 major functions: 1. medium for plant growth 2. support for buildings and roads (engineering medium) 3. habitat for organisms ication of waters and regulator of water supplies ling system for nutrients and organic wastes Medium for plant growth ANSWER -physical support -supply mineral nutrients -hold water (plants require a continuous stream of water to maintain photosynthes...

SCSC 301 TAMU EXAM 2 QUESTIONS AND ANSWERS

SCSC 301 TAMU EXAM 2 QUESTIONS AND ANSWERS

scsc 301 exam 2 tamu smith Questions With Complete Solution1