Chapter 5 Assignment 1. What is energy? What are the three forms of energy? Energy is the capacity to do work. There are four types of energy according to the powerpoint. They are Kinetic energy (energy of motion)‚ potential energy (stored energy)‚ thermal energy (heat)‚ and chemical energy (potential energy of molecules). 2. State the First and Second Laws of Thermodynamics. Include entropy in your explanation. The first law states that energy can neither be created nor destroyed it can
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ecosystem relies on solar energy converted through photosynthesis by producers. Consumers‚ fish for example‚ metabolize‚ and release as chemical energy to convert into mechanical energy. The ecosystem distributes energy to living organisms through heat energy. Decomposers break down dead organisms and deplete them of their remaining energy. Primary productivity involves simple aspects of energy used by living organisms. Photosynthesis converts the sun’s light into necessary energy
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biology terms…give examples! If you can give examples and/or draw pictures of the following terms you will certainly understand their meaning. 1. Species 2. Population 3. Community 4. Ecosystem 5. Biome 6. Biosphere 7. Autotroph 8. Photosynthesis 9. Heterotroph 10. Omnivore 11. Herbivore 12. Carnivore 13. Detritivore 14. Decomposer 15. Food chain/web 16. Ecological pyramids (energy and numbers) 17. Biogeochemical cycles 18. Symbiosis 19. Mutualism 20. Commensalism 21. Parasitism
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are the food makers of the cell. The organelles are only found in plant cells and in algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The process is called photosynthesis and it all depends on the green chlorophyll in each chloroplast. Chloroplasts are round about 4 to 6 micrometres in diameter. Russian botanist Konstantin Mereschkowsky was the first person to discover the chloroplast. He discovered the chloroplast
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pancakes smothered in maple syrup? The reason we have maple syrup with our pancakes or waffles is because of maple trees. This will tell you the ecological value‚ population density for the area‚ economic value‚ historical significance‚ use of photosynthesis‚ medicinal uses‚ building uses‚ and location in which the species grows. Ecological Value Maples trees are important to the environment and people for so many reasons. They produce maple syrup‚ so we can put it on our waffles or pancakes. They
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Cyanobacteria’s big advantage over other early life forms was their ability to perform photosynthesis. They contain a blue photo reactive pigment that can absorb the energy from the sunlight and use it to produce nutrients for the cell. During this process‚ water molecules are broken down into oxygen and hydrogen atoms which are then released in the air. In the very early days of life‚ Earth was populated only by anaerobic bacteria that didn’t need oxygen to survive. When cyanobacteria first made
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In 1905‚ Frederick Blackman‚ a British physiologist‚ concluded that photosynthesis‚ the capture of light and conversion of it into chemical energy is a two-way process‚ of which only one uses direct light to trap radiant energy. In the Hill Reaction activity‚ our group will be focusing directly on the light dependent reaction. The overall purpose of this experiment is to try to prove the hypothesis that this reaction does produce compounds that have the energy of light. The first of the two major
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Abstract Stomata is important to plants because of their role in gas exchange and photosynthesis. Clear nail polish and clear plastic tape were used to make leaf impressions of A. floridanum. Once impressions were completed‚ compound microscopes were used to count the total number of stomata per slide. The counts of stomata were used to find stomatal densities‚ along with the open/closed ratios of stomata. Stomatal density and open/close ratio of stomata did not differ between the two locations
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the structures are called stomata.[1] Leaf transpiration occurs through stomata‚ and can be as a necessary "cost" associated with many processes such as the opening of the pistil and allowing the diffusion of carbon dioxide gas from the air for photosynthesis. Transpiration also cools plants and enables mass flow of mineral nutrients and water from roots to shoots. Water is absorbed at the roots by osmosis‚ and any dissolved mineral nutrients travel with it through the xylem. The rate of transpiration
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Bi 101 Lecture Exam Two Study Objectives: Chapters 5‚ 6‚ 7 All concepts and vocabulary are fair game in Chapters 5-7 Chapter Five: ………….. Membranes Evaluate the importance of membranes to the homeostasis of the cell‚ emphasizing their various functions Explain how the properties of the lipid bilayer govern many properties of the cell membrane (ie understand the chemical lipid bilayer structure—what does “hydrophobic” and “hydrophilic” mean?) Discuss the general types‚ functions‚ and
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