PPT-Soil Respiration Unit: Soil Science

Objectives Define soil respiration and soil microbes Explain the role of soil respiration in determining soil health Diagram the role of soil respiration in the cycle of life on earth List and explain inherent factors that affect soil respiration. Unit 3 . Think back to Energy Transfer…. Living things use energy for . Growth. Repair. Reproduction. Metabolism. The collection of reactions that occur in a cell . Metabolism. Involves either:. . All organisms need energy to survive.. Animals obtain their energy from the food they eat, but plants can make their own food by photosynthesis.. In both cases, however, energy must first be converted into a form that can easily be used by cells. This process is called . Intermediate 2 Biology. Unit 1: . Living Cells. Learning Objectives. Name the type of energy stored in food.. Describe the energy change when food is burned.. State the units used in measuring energy content of food.. By: MaryKate, Jack, Emily, Reilly and JP. Background. Cellular Respiration Formula:. C. 6. H. 12. O. 6. + 6O. 2 . . . 6CO. 2. + 6H. 2. O + Heat. Aerobic Respiration has 3 main steps: . glycolysis. Cellular . respiration. , the process in which nutrients are converted into useful energy in a cell. . ATP- an energy carrier. ATP is Adenine triphosphate. Think of it like rechargeable batteries that are used to power the reactions in cells.. A hands-on laboratory exercise. Megan . Kepler. Why study respiration?. Energy in. Energy out. Consumption. Egestion. Excretion. Metabolism. Growth??????. Respiration. Part of metabolism (active vs. resting). +. +. CO. 2. H. 2. O. C. 6. H. 12. O. 6. O. 2. ANY CONSUMER. ANY PRODUCER. Virtual Lab. Snails = consumers. Cell respiration. Take in oxygen and glucose. Give off carbon dioxide and water. Elodea = producers. p.221-228. Why Anaerobic Cellular Respiration?. As the name suggests “an” = without, and “aerobic” = air. Anaerobic respiration is the cell’s way . of acquiring . energy when there are low oxygen levels. One respiration consists of one inspiration (breathing in) and one expiration (breathing out). Normal Respiratory Rates. Adult – 14-18 breaths per minute. Children – 16-25 breaths per minute. Infants – 30-50 breaths per minute. Photosynthesis. - the process of absorbing light energy and converting it into stored chemical energy.. Chemical equation:. Cellular Respiration. - the breaking down of a food substance into usable cellular energy in the form of ATP.  is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. The first step in is . glycolysis. Scott . Clingan. Winter Ecology Spring 2014. Terrestrial Carbon Cycle. Soil respiration estimated to account for 20-38% of annual biogenic CO. 2. emissions . (Scott 2002). Increased Respiration from global warming = lower carbon sequestration (positive feedback?). WHAT IS CELLULAR RESPIRATION?. Metabolic reactions in the cell that are designed to convert nutrients from food into Adenosine Triphosphate (ATP). Carbohydrates, fats, and proteins can all be used as fuel. Energy releasing process in . which organisms . take in glucose and oxygen and produce carbon dioxide, water and ENERGY. Materials needed for respiration. Glucose (sugar). Oxygen. Products of respiration.