Respiration releases co2 into thew atmosphere ● Combustion also releases co2 ● Decomposition releases co2 carried out by decomposers which break out by decomposers which break down thew organic compounds in dead organisms and waste ● Photosynthesis removes ● ● ● ● ● ● co2 from the atmosphere Problem: burning of fossil fuels is releasing to much co2 for plants to remove. the amount of co2 is up 25% form 100 years ago Co2 a greenhouse gas contributes to global
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sustain the system for an extended period of time were also considered in making it. Water for the plants will be taken from the ample amount of water added before sealing the terrarium. Light is capable of passing through the transparent container. CO2 needed by the plant will be provided by a layer of activated charcoal right below the soil layer. Methodology In making the sealed terrarium‚ the first step taken was to decide on which organism/plant to use. Sinaw-sinaw plant was chosen because
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get this energy is different for plant and animal cells. Plants cells undergo a process called photosynthesis where light energy from the sun is used to convert carbon dioxide and water into glucose and oxygen. For animal cells‚ the process is known as cellular respiration by which cells break down complex molecules‚ such as sugars‚ to release carbon dioxide. The complex chemical reactions of photosynthesis and cellular respiration help meet the energy needs of living things. (Cellular Respiration)
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Wind speed does not normally cause stomata to open. Indeed‚ high wind speed may cause stomata to close a) because of the high rate of transpiration leading to water stress but also b) (when photosynthesis rate is high) gentle breeze can bring more CO2 close to the stomata‚ increasing the diffusion of CO2 into the leaf‚ causing guard cells to become less turgid. Stomates will normally be closed in the dark. Granted‚ there may be a tendency for the stomata to be open if you are doing the experiment
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organisms use photosynthesis on Earth which release oxygen as waste product‚ because of that‚ they tiled the balance of early Earth dramatically by increase oxygen level and reduce carbon dioxide. After iron filled with oxygen to form rust‚ more oxygen released in atmosphere to form ozone to protect cells from UV-ray and Earth become more suitable for life. The evolution of photosynthesis shift the balance of gases in the atmosphere Banded iron formation support the theory that photosynthesis shifted
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Plant Cells and Solar Cells Photosynthesis is the process of producing and releasing oxygen in the air. It needs sunlight‚ carbon dioxide and water. During the process of photosynthesis‚ the plants decompose the molecules of hydrogen and carbon-dioxide into hydrogen; carbon and oxygen produce glucose which forms the source of their energy‚ growth and food. Few years ago we knew that the only source of energy is photosynthesis which is used by plants to harness solar energy. Nowadays
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substantial part of the plant. The roots and the stem is therefore that is where the priority lies. 2.) Concept Review 7.1 #1What environmental conditions favor plants with C3 photosynthesis? Why? Plants in moist climates use C3 photosynthesis. C3 photosynthesis requires CO2 and is the most common and easiest type of photosynthesis available to plants‚ it uses only simple chemical reactions within the leaf and that’s all it needs in order to work properly. 3.) Define the term haploid. A haploid is
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Lesson 02.08 DBA/Module Exam Lesson 02.01: Chemistry of Life · Explain why biological macromolecules are important for everyday life. Cells make large macromolecules by bonding smaller molecules together into chains called polymers (from the Greek polys‚ "many‚" and meris‚ "part"). Polymers are large molecules composed of many identical or similar subunits called monomers. There are four categories of biological macromolecules that provide energy and structure to living organisms and their cells
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EXPERIMENT – 9 To Prove that Light is Necessary for Photosynthesis. Aim : To show experimentally that light is necessary for photosynthesis. Requirements : A potted plant‚ iodine solution‚ black paper strip‚ paper clips‚ water bath. EXPERIMENT PLEASE VIEW THE ANIMATION FILE FOR THE PROCEDURE Observation : 1) The region of the leaf which was exposed to sunlight turns blue in colour. 2) The region of the leaf covered with black strip turns brownish in colour
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movement of molecules from a region of high concentration to a low concentration until the concentration is equal. Role of a human circulatory system: Diffuse In – oxygen (O2)‚ dissolved food (glucose) and water (H2O) Diffuse Out – carbon dioxide (CO2)‚waste and water(H2O) Respiration – releasing energy in cells Breathing – getting air into and out of your body Exercise When you exercise your heart rate and breathing rate increases Heart rate measured – beats per min. Breathing rate
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