Biosphere MODULE - 5 The domain of Life on the Earth 14 Notes BIOSPHERE We know that our earth is the only planet where life is found. That is why this planet is also known as living planet or ‘sphare’ of ‘life’. This sphere contains those qualities atmosphere‚ lithosphere and hydrosphere. They all enable the life to exist on this planet. But do you know this is a very small portion of the earth where life exists. Beyond this narrow space of the earth‚ there is no life forms found.
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think cell wall‚ with chloroplasts‚ mitochondria‚ smooth ER‚ Rough ER‚ a vacuole‚ cytoplasm‚ goolgi body‚ nucleus‚ nucleolus. All these parts in duckweed help the plant carry out photosynthesis. Duckweed makes food just as any other plant and is an autotroph. The plant uses cellular respiration and the production of glucose to make food for themselves. The chemical composition of duckweed is Crude protein‚ lysine‚ histidine‚
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Why Do Living Things Need Energy? All living things need energy to survive. Nearly all the energy for life comes from the sun. Autotrophs are organisms that make their own food. There are two laws of Thermodynamics: • First Law- The law of conservation of energy‚ which states that energy can be converted from one form to another‚ but it CANNOT be created or destroyed. • Second Law- States that energy cannot be converted without the loss of usable energy IMPORTANT TERMS Energy- the ability
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found in the hot springs in yellow stone park Thermus aquaticus is heterotrophic and needs organic compounds from the surrounding environment in order to grow and sustain life. Some of the most common sources are: algal-bacterial mat‚ other heterotrophs‚ and the surrounding soil. The algal-bacterial mat is an area at the surface of a hot springs environment containing decomposing organic matter Thermus Aquaticus belongs to the Deinococcus-Thermus group and are really ancient microorganisms
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which water vapor and oxygen exit) is diffusion . a) osmosis; b) active transport; c. co- transport; d) diffusion; e) bulk flow • 7. Which of the following creatures would not be an autotroph? Fish a) cactus; b) cyanobacteria; c) fish; d) palm tree; e) phytoplankton • 8. The process by which most of the world’s autotrophs make their food is known as photosynthesis. a) glycolysis; b) photosynthesis; c) chemosynthesis; d) herbivory; e) C-4 cycle • 9. The process of chemiosmosis is how ADP + P are converted
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photosynthesis is 6 CO2 + 6H2O + light energy=C6H12O6 + 6O2 meaning that when a plant cell absorbs carbon dioxide and water alongside sunlight then the plant will put off glucose and oxygen gas in result. This process is where humans and other heterotrophs get their oxygen to survive. Sunlight is captured through a pigment called chlorophyll‚ which absorbs every color light wave expect green‚
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Bio 205 Workshop 2 Bacteria Purpose of Bergy’s Manual: based on ribosomal RNA sequences‚ which presumably reflect phylogenetic (evolutionary) relationships. Used for the identification of prokaryotes. 2nd edition on classification of prokaryotes. 4 Tests/ Parameters that are evaluated to classify bacteria are: procedure’s that determine an organism’s ability to ferment carious carbohydrates; utilize various substrates such as specific amino acids‚ starch‚ citrate‚ and gelatin; or produce
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Chapter 25 Process of fossilization · Moving water can suspend sediment – inorganic particles · Moving water fills into still body of water o Sediment flats to the bottom o Forms a layer o More layers form with different compositions on the bottom of the lake or ocean · Living things in the ocean die and get buried in the sediments in the ocean · A lot of weight and pressure pushing down · The organic material is replaced by rocks – mineralization resulting
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anaerobic atmosphere then it became aerobic. Q:If there was a sudden drop in temperature after the evolution of the first living cells‚ predict how that might have affected the changes in the atmosphere and the evolution of Cyanobacteria and other autotrophs. Explain your answer My prediction would have to include the data from the graph. The question doesn’t exactly include any temperature so I can base my hypothesis on so I conclude that if the temperature suddenly dropped to 30 degrees Celsius
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healthy lifestyle. Combined with physical activity‚ your diet can help you to reach and maintain a healthy weight‚ reduce your risk of chronic diseases (like heart disease and cancer)‚ and promote your overall health. A heterotrophic organism (or heterotroph) can obtain its food from other organisms in three ways. So‚ the heterotrophic mode of nutrition is of three types: 1. Saprotrophic nutrition : 2. Parasitic nutrition‚ and 3. Holozoic nutrition. Saprotrophic nutrition is that nutrition in which
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