Lab Activity #3: Collection and Identification of Plankton at Lake St.George Discussion Questions 1. Phytoplankton are the organisms that were the most abundant in my sample‚ specifically from the Protista kingdom 2. I think that phytoplankton are more indicative of oligotrophic lakes‚ where-as zooplankton are more indicative of eutrophic lakes. I think this because‚ since phytoplankton are capable of producing their own energy‚ they don’t need the nutrients that eutrophic lakes offer‚ and they would
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to explain that photosynthesis is important. So even though photosynthesis can kill the plant‚ photosynthesis is important‚ because it helps grow food for omnivores and herbivores. Photosynthesis grows plants and trees‚ which produce clean‚ fresh oxygen. Photosynthesis helps us living organisms with lungs breathe. It helps us when plants go through the process called photosynthesis. During this process they snatch three main ingredients from the atmosphere. They need sunlight‚ water‚ and carbon
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referenced to as a “dead zone”is a lack of oxygen in the water. Aquatic organisms require adequate dissolved oxygen to survive. The occurrence of Hypoxia‚ or low dissolved oxygen has increased substantially. In “1960 there was 12 documented cases of U.S. Coastal areas experiencing Hypoxia‚ now there is over 300 hundred.”(Diaz & Rosenberg.2008.SAH.p11.) The inability of immobile species‚ such as mussels and oysters‚ to escape these low oxygen areas‚ makes them vulnerable to Hypoxia. These
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+ ATP. Glucose is broken down into 2 pyruvate. The pyruvate then travels through the Kreb cycle and produces carbon dioxide. The oxygen travel through the electron transport train and produces water and energy. In order for the body to maintain homeostasis while exercising more oxygen is needed and cellular respiration increases. In return for a greater intake of oxygen‚ more carbon dioxide is produced and exhaled‚ therefore changing the color of the the bromothymol quicker. The results support the
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cell activities. Anaerobic respiration is respiration in the absence of oxygen‚ hence anaerobic bacteria does not breathe at all. The purpose of respiration is to provide the cell with the appropriate molecules for creating energy in the form of adenosine triphosphate‚ ATP Many types of bacteria respire anaerobically. In other words‚ they can go through the process of respiration without oxygen present. Instead of using oxygen to help them burn the energy in their food‚ these types of bacteria use
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Introduction: Enzymes are proteins that enable chemical reactions. In the enzyme lab‚ the effects of concentration‚ temperature and pH on the functionality of the enzyme catalase. The enzyme lab was also about measuring reactions by capturing the oxygen that was generated by the reaction. Materials and Methods: Experiment 1‚ 2‚ & 3 Experiment 1 examined the effects of concentration on catalase activity. Experiment 2 examined the effects of concentration in temperature on catalase activity
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contraction of muscles‚ build up of larger molecules (e.g. proteins)‚ maintains steady body temperature (homeostasis) * Aerobic: * needs oxygen * only occurs when a certain amount of oxygen is available * C6H12O6 + 6O2 6CO2 + 6H2O + Energy * releases large amount of energy (2900 KJ) * Anaerobic: * without oxygen * [glucose lactic acid] C6H12O6 2C3H6O3 * releases small amount of energy (120 KJ) * poisonous waste (lactic acid) removed
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found on earth Archaea are single cell micro-organisms with no nucleus‚ it use anaerobic respiration (able to living in the absence of Oxygen) and live in extreme environment/condition such as high temperature‚ acid-rich‚ saline area etc. those environment are rich in minerals but hazardous to other organisms. Archaea’s population decreased after earth filled with oxygen‚ other than that‚ current archaea is very same as ancient archaea. Archaea like to live near Black Smoker (volcanoes under ocean)
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Changes to the Earth and its atmosphere (http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/oils/changesrev1.shtml) Our changing planet 1 a Match a word from the list with each of the labels A‚ B‚ C and D on the diagram of the Earth. atmosphere core crust mantle [pic] A= core B= mantle C=crust D=atmosphere (4) b From which parts of the Earth do we get all of our raw materials? A atmosphere‚ core and crust B atmosphere‚ crust
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through the degrade‚ reduction and loss of oxygen in the water quality.(source) why is it a problem to plants Due to the Hygrophila being quick to over grow within many creeks‚ rivers and wetlands it has caused it to dominate the entire water column. This will result in most plants below being unable to gain sunlight through photosynthesis causing them to die. Soon after‚ bacteria inhabits the area in order to decompose the submerged pants causing mass oxygen levels to be used up Therefore the vegetation
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