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mechanism of evolution is the force that causes Descent and the genetic differences that are heritable and passed on to the next generation; Mutation, migration (gene flow), genetic drift, and natural selection as mechanisms of change; The importance of genetic variation.
the habitats were different on the different island and selected different traits
because there is variation in the population for starvation resistance
homologous structure
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DVC Biological Anthology Genetics & Evolution of Human Populations Lab Report
Lab reports in this class will reflect academic publications. For each report you are required to write a brief introducti ...
DVC Biological Anthology Genetics & Evolution of Human Populations Lab Report
Lab reports in this class will reflect academic publications. For each report you are required to write a brief introduction, materials/methods, results, and discussion/conclusion. Your report should be in the ballpark of 1,000 words.Introduction: This section should review the context of the lab, the research question, and significance. Essentially you will tell me what the research is about, what the goals are, and why it is of interest. This is not to be treated as bullet points. Introductions are designed to keep the readers interest.Materials/Methods: This section can be a bit more cut-and-dry. Explain the research design (what is the procedure), what data is being used and why.Results: The results section is also straightforward. Simply report on the data. You do not need to interpret the data here, just express how it worked out.Discussion/Conclusion: Here is where you can interpret the data and pair it with your introduction. Thus, you will reflect on how your goals were achieved, the answer to your research question, and how the outcome is significant to our understanding of the larger context. In this section you will need to apply concepts from the previous readings/lectures of this unit. Please reflect on our lessons and identify where some concepts apply to this lab. For any concept you reference there should be a definition and an explanation of its application to the current study.Natural Selection and the Galapagos FinchesAccess the Lab Exercise from Lab 2: Genetics and Evolution of Human Populations. Read the background content and complete the lab exercise. I suggest taking notes through the whole process (it isn’t overly demanding). Pay attention to the context of the research, its significance, all dataset material, and the conclusions. You should ask yourself, “what did I learn from this?” and “how does this relate to our previous lesson?”. In this activity, you are studying finch variation on Daphne Major during the 1977 drought. It becomes immediately apparent that some finches are dying from drought conditions while some are not. You want to know why. It has already been long established that finches are variable in beak size and so you want to determine whether or not beak size is influencing the survivorship of these birds. To do so, you begin measuring the beak depth of living and recently dead individuals.After 35 measurements, you have a good idea of which beak shapes survived the drought and which ones did not. Thus, you have calculated what percentage of individuals with each beak depth survived. To convey the survivorship, you plot your data on a graph using a subsample of eight individuals. You plot each beak size from the subsample according to how many individuals (from the larger sample) survived the drought.The results of this study should reflect a survivorship curve. This is a graphical representation of the number of individuals within a population that survive to a given age or through a catastrophic event. The data gleaned from the survivorship curve will then allow you to interpret how selection is acting on the Finch population of Daphne Major (the Lab material mistakenly labeled the island as Daphne Mayor…typos happen).The results of your study must be conveyed in the format of a short academic paper. See the parameters above.
The drumlin was moving to the east, geology homework help
I need this assignment done by tomorrow. Please review and let me know if you can do it. Thanks,
The drumlin was moving to the east, geology homework help
I need this assignment done by tomorrow. Please review and let me know if you can do it. Thanks,
Highline Community College Pre 1982 Penny Lab
https://docs.google.com/document/d/1NgeVUvX44_HwU8cX3s6A1hbe2o8BR_Lo6ZuUfMnqtlA/edit1.)After verifying your data on the La ...
Highline Community College Pre 1982 Penny Lab
https://docs.google.com/document/d/1NgeVUvX44_HwU8cX3s6A1hbe2o8BR_Lo6ZuUfMnqtlA/edit1.)After verifying your data on the Lab assignment, complete the calculations for the density for each trial, and then report the average. Do this for both pre-1981 pennies and post-1983 pennies in the table below. Pre-1981 PenniesPost-1983 Pennies Trial 1Trial 2Trial 1Trial 2Density g/mL g/mL g/mL g/mLAverage Density g/mL g/mLYour results from Part A should have demonstrated that the pennies from these two eras have different compositions. One type of penny is mostly copper (95%) with a thin layer of zinc (5%) while the other penny is mostly zinc (97.5%) with a thin outer layer of copper (2.5%).If the density of copper is 8.96 g/mL and the density of zinc is 7.13 g/mL, determine which penny is which based on your results.Fill in the statements below with "pre-1982" or "post-1982" based on your results.The penny is mostly copper (95%) with a thin layer of zinc (5%).The penny is mostly zinc (97.5%) with a thin layer of copper (2.5%). Write in complete sentences to support your choice based on your experimental data and results.2.)Based on the data from the video for Density of an Unknown Liquid and a Mixture, calculate the following results below (recall, each liquid was measured to 10.0 mL): Unknown Liquid50/50 MixtureMass of liquid g gDensity of liquid g/mL g/mLEthanol (or ethyl alcohol) is the specific type of alcohol present in alcoholic beverages like beer, wine, vodka, etc. When ethanol is added to water, the two liquids mix completely with one another. At room temperature, ethanol’s density is 0.789 g/mL while water’s density is 0.997 g/mL.A student is given an unknown alcoholic beverage in a beaker to analyze at room temperature, so the student puts a piece of ice in the unknown liquid and observes that the ice drops below the surface and floats in the middle of the liquid. Based on this observation above and given ice’s density is 0.917 g/mL, what can you conclude about the density and composition of the liquid?Complete the following with "pure ethanol", "pure water", or "a mixture of the two":The liquid is .If it is a mixture, use density to determine if it contains more ethanol or more water, then write in complete sentences to explain your conclusions.3.)In your calculation of the density of the unknown liquid (in Part B, question 2 above), which measurement limited the number of significant figures in the reported density: volume or mass? Suppose a student wanted to determine the density with more precision. He decided to retake the mass of the liquid on the analytical balance because he feels this will provide more precision for the experiment. Explain whether or not this an effective approach.4.)In Part C of the experiment, you determined the density of CO2 gas. You may review this data in the prior assignment. How does the density of CO2 compare to the density of the pennies and the unknown liquid and other solids and liquids included in Table I on page 25?What can you conclude about the density of gases compared to the densities of liquids and solids? Based on the arrangement and number of particles in solids, liquids, and gases, explain why the densities of gases are so different from the densities of solids and liquids.5.)A substance of higher density will sink in a substance of lower density: For example, you may know that oil floats on top of water because it has a lower density. For each of the following pairs, determine whether the object will sink or float. Refer to Table I on p. 27 and your experimental results to determine each.-ab A balloon filled with air (0.0012 g/mL) in a chamber filled with CO2 (0.0018 g/mL) will-ab A lead brick (11.4 g/mL) placed in a bucket of liquid mercury (13.5 g/mL) will-ab A piece of ice (0.917 g/mL) placed in pure ethanol (0.789 g/mL)
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MS-DRGs was adopted in the year 2008. The move was one of the most drastic revisions done on the DRG system after more tha ...
Ms Drgs
MS-DRGs was adopted in the year 2008. The move was one of the most drastic revisions done on the DRG system after more than 25 years. The aim of the ...
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2. Compare your plate (Plate 1 in your data table) with a group near you. Record their Rf values in your data table above (Plate 2). Did both plates ...
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DVC Biological Anthology Genetics & Evolution of Human Populations Lab Report
Lab reports in this class will reflect academic publications. For each report you are required to write a brief introducti ...
DVC Biological Anthology Genetics & Evolution of Human Populations Lab Report
Lab reports in this class will reflect academic publications. For each report you are required to write a brief introduction, materials/methods, results, and discussion/conclusion. Your report should be in the ballpark of 1,000 words.Introduction: This section should review the context of the lab, the research question, and significance. Essentially you will tell me what the research is about, what the goals are, and why it is of interest. This is not to be treated as bullet points. Introductions are designed to keep the readers interest.Materials/Methods: This section can be a bit more cut-and-dry. Explain the research design (what is the procedure), what data is being used and why.Results: The results section is also straightforward. Simply report on the data. You do not need to interpret the data here, just express how it worked out.Discussion/Conclusion: Here is where you can interpret the data and pair it with your introduction. Thus, you will reflect on how your goals were achieved, the answer to your research question, and how the outcome is significant to our understanding of the larger context. In this section you will need to apply concepts from the previous readings/lectures of this unit. Please reflect on our lessons and identify where some concepts apply to this lab. For any concept you reference there should be a definition and an explanation of its application to the current study.Natural Selection and the Galapagos FinchesAccess the Lab Exercise from Lab 2: Genetics and Evolution of Human Populations. Read the background content and complete the lab exercise. I suggest taking notes through the whole process (it isn’t overly demanding). Pay attention to the context of the research, its significance, all dataset material, and the conclusions. You should ask yourself, “what did I learn from this?” and “how does this relate to our previous lesson?”. In this activity, you are studying finch variation on Daphne Major during the 1977 drought. It becomes immediately apparent that some finches are dying from drought conditions while some are not. You want to know why. It has already been long established that finches are variable in beak size and so you want to determine whether or not beak size is influencing the survivorship of these birds. To do so, you begin measuring the beak depth of living and recently dead individuals.After 35 measurements, you have a good idea of which beak shapes survived the drought and which ones did not. Thus, you have calculated what percentage of individuals with each beak depth survived. To convey the survivorship, you plot your data on a graph using a subsample of eight individuals. You plot each beak size from the subsample according to how many individuals (from the larger sample) survived the drought.The results of this study should reflect a survivorship curve. This is a graphical representation of the number of individuals within a population that survive to a given age or through a catastrophic event. The data gleaned from the survivorship curve will then allow you to interpret how selection is acting on the Finch population of Daphne Major (the Lab material mistakenly labeled the island as Daphne Mayor…typos happen).The results of your study must be conveyed in the format of a short academic paper. See the parameters above.
The drumlin was moving to the east, geology homework help
I need this assignment done by tomorrow. Please review and let me know if you can do it. Thanks,
The drumlin was moving to the east, geology homework help
I need this assignment done by tomorrow. Please review and let me know if you can do it. Thanks,
Highline Community College Pre 1982 Penny Lab
https://docs.google.com/document/d/1NgeVUvX44_HwU8cX3s6A1hbe2o8BR_Lo6ZuUfMnqtlA/edit1.)After verifying your data on the La ...
Highline Community College Pre 1982 Penny Lab
https://docs.google.com/document/d/1NgeVUvX44_HwU8cX3s6A1hbe2o8BR_Lo6ZuUfMnqtlA/edit1.)After verifying your data on the Lab assignment, complete the calculations for the density for each trial, and then report the average. Do this for both pre-1981 pennies and post-1983 pennies in the table below. Pre-1981 PenniesPost-1983 Pennies Trial 1Trial 2Trial 1Trial 2Density g/mL g/mL g/mL g/mLAverage Density g/mL g/mLYour results from Part A should have demonstrated that the pennies from these two eras have different compositions. One type of penny is mostly copper (95%) with a thin layer of zinc (5%) while the other penny is mostly zinc (97.5%) with a thin outer layer of copper (2.5%).If the density of copper is 8.96 g/mL and the density of zinc is 7.13 g/mL, determine which penny is which based on your results.Fill in the statements below with "pre-1982" or "post-1982" based on your results.The penny is mostly copper (95%) with a thin layer of zinc (5%).The penny is mostly zinc (97.5%) with a thin layer of copper (2.5%). Write in complete sentences to support your choice based on your experimental data and results.2.)Based on the data from the video for Density of an Unknown Liquid and a Mixture, calculate the following results below (recall, each liquid was measured to 10.0 mL): Unknown Liquid50/50 MixtureMass of liquid g gDensity of liquid g/mL g/mLEthanol (or ethyl alcohol) is the specific type of alcohol present in alcoholic beverages like beer, wine, vodka, etc. When ethanol is added to water, the two liquids mix completely with one another. At room temperature, ethanol’s density is 0.789 g/mL while water’s density is 0.997 g/mL.A student is given an unknown alcoholic beverage in a beaker to analyze at room temperature, so the student puts a piece of ice in the unknown liquid and observes that the ice drops below the surface and floats in the middle of the liquid. Based on this observation above and given ice’s density is 0.917 g/mL, what can you conclude about the density and composition of the liquid?Complete the following with "pure ethanol", "pure water", or "a mixture of the two":The liquid is .If it is a mixture, use density to determine if it contains more ethanol or more water, then write in complete sentences to explain your conclusions.3.)In your calculation of the density of the unknown liquid (in Part B, question 2 above), which measurement limited the number of significant figures in the reported density: volume or mass? Suppose a student wanted to determine the density with more precision. He decided to retake the mass of the liquid on the analytical balance because he feels this will provide more precision for the experiment. Explain whether or not this an effective approach.4.)In Part C of the experiment, you determined the density of CO2 gas. You may review this data in the prior assignment. How does the density of CO2 compare to the density of the pennies and the unknown liquid and other solids and liquids included in Table I on page 25?What can you conclude about the density of gases compared to the densities of liquids and solids? Based on the arrangement and number of particles in solids, liquids, and gases, explain why the densities of gases are so different from the densities of solids and liquids.5.)A substance of higher density will sink in a substance of lower density: For example, you may know that oil floats on top of water because it has a lower density. For each of the following pairs, determine whether the object will sink or float. Refer to Table I on p. 27 and your experimental results to determine each.-ab A balloon filled with air (0.0012 g/mL) in a chamber filled with CO2 (0.0018 g/mL) will-ab A lead brick (11.4 g/mL) placed in a bucket of liquid mercury (13.5 g/mL) will-ab A piece of ice (0.917 g/mL) placed in pure ethanol (0.789 g/mL)
5 pages
Ms Drgs
MS-DRGs was adopted in the year 2008. The move was one of the most drastic revisions done on the DRG system after more tha ...
Ms Drgs
MS-DRGs was adopted in the year 2008. The move was one of the most drastic revisions done on the DRG system after more than 25 years. The aim of the ...
3 pages
Tlc Report
2. Compare your plate (Plate 1 in your data table) with a group near you. Record their Rf values in your data table above ...
Tlc Report
2. Compare your plate (Plate 1 in your data table) with a group near you. Record their Rf values in your data table above (Plate 2). Did both plates ...
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