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What are the chemical elements that form most of living biological matter?
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The chemical elements that form most of the molecules of living beings are oxygen (O), carbon (C), hydrogen (H) and nitrogen (N).
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To answer this question, you need to imagine that you are an anthropologist who finds a fossilized skeleton -- or, at leas ...
GCC The Fossilized Remains of The Hominin Discovered in East Africa Essay
To answer this question, you need to imagine that you are an anthropologist who finds a fossilized skeleton -- or, at least, a partial one -- of a primate in Africa. You conclude that this primate was a hominin, and specifically it was some kind of australopithecine. You will write a short paper in which you discuss some aspects of your findings and conclusions. Read the directions below, and write your answer. Make sure to title each part as directed. Turn in your answer as a .doc, .docx, or .pdf file. Double-space your answer.
THE INSTRUCTIONS ARE LONG BECAUSE THEY OFFER YOU A LOT OF GUIDANCE AND REMINDERS. READ THROUGH ALL INSTRUCTIONS, REMINDERS, TIPS, NOTES, ETC. SLOWLY AND CAREFULLY AS YOU GO. DO NOT LOSE POINTS UNNECESSARILY!
DETAILS:
PART 1: Please title this part, "Region."
State if you made your discovery in the eastern or the southern part of the African continent. You don't need to be more specific than just "eastern Africa" or "southern Africa," so your answer here is just two words. Which one you pick is totally up to you -- but it will matter for the way you answer other parts, below. Don't forget to make your other answers work with your choice here!
PART 2: Please title this part, "Hominin Morphology"
In a paragraph, identify and describe at least three features of the skeleton that led you to conclude that this primate should be classified as a hominin. Explain why these features lead you to this conclusion, and for each one, explain how the feature of the skeleton actually functioned.
Note: If you follow the above instructions, it means to you need to explain the relationship between the morphology (shape) of that part of the skeleton and how that part of the body functions (works) in hominins. Remember, among primates, hominins are defined by non-honing chewing and bipedalism, so do not discuss features unless they are directly relevant to those two things! You should be explaining how each feature is adapted for non-honing chewing or for walking on two legs.
Note: This section is just about classifying the fossil as generally belonging to a hominin. It is not about classifying it as any particular species. You'll deal with that in the sections below.
PART 3: Please title this part, "Dates"
State the absolute age of the fossil and name the dating method that led you to this conclusion. In a few sentences, give an overview of how this dating method works.
Note: again, the date is up to you. But make sure it works for an australopithecine! Also, the date you choose will matter for the way you answer other parts, below.
Note: Remember, different methods of dating work on different materials and cover different ranges of dates. I'm looking to see that the method you choose works for the materials and dates in question. Make sure you know what materials and what date ranges a method applies to before you decide to say you used it!
Note: Remember when describing the dating method (as for all parts of your work) not to copy wording directly from your textbook, Canvas, or any other source!
PART 4: Please title this part, "Species"
State the species of australopithecine that you believe this fossil to belong to, and explain the evidence that led you to this conclusion. Include the general range of dates this species is known to have lived, the area in which it is known to have lived, and at least one particular aspect of morphology that differentiates this species of australopithecine from some other species of australopithecine.
Please make your australopithecine a member of one of the already known and classified species. Do not make it a new species or an unclassifiable oddity, and do not make any of your information contradict our previous knowledge about the species.
PART 5: Please title this part, "Our Ancestor?"
In a few sentence, assess whether this australopithecine species might be a direct ancestor of Homo, humans. Explain your thinking. What fits and/or doesn't fit with this being a direct ancestor of Homo? Address at least the following:
does the time that this species lived allow it to be an ancestor of Homo -- why or why not?
does the region in which this species is found make it more or less likely than other australopithecine species to be an ancestor of Homo -- why?
Note: What matters here is where most of the early Homo fossils have been found -- southern Africa or easter Africa? Don't know? Go back to the course material and find out? Can't figure it out? Ask for help!
does the particular morphology of this species suggest it is more or less likely than other australopithecine species to be an ancestor of Homo -- why?
Pay special attention to whether the species is robust or gracile! Make sure to discuss this!
Remember, this is about comparing one species of australopithecine to another. A trait that is shared by all australopithecines -- like being bipedal -- doesn't make one species of australopithecine any more likely than another to be an ancestor of Homo.
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Skill Check WorksheetNAME:_______________________ DNA: It’s All in Our GenesLab Section: _________________ Activity 3: Analysis of Forensic Samples This photo is an actual photo of a gel that was run using the samples outlined in this lab. From left to right: Lane 1: A HindIII DNA digest used as the control for the size standards Lane 2: Crime scene sample Lane 3: Suspect 1: Dr .Pete Moss Lane 4: Suspect 2: Dr. Forest Moss Lane 5: Suspect 3: Mr. Bud Wieser Lane 6: Blood sample from the victim, Dr. Dinah Soares You will need to look at the bands on the gel very carefully, as some of the bands are quite faint. That does not make them any less important just because the bands may be faint. In order to make sure that you do not miss any of the bands the first thing that you should do is make a drawing in the space below; draw the band pattern in each of the lanes. Be sure to label the lanes as to their contents, and then draw the bands in proportion to their positions on the gel. Be sure to account for faint bands. Question 1: Do you see any of the band patterns in the different lanes that appear to match each other? Which lanes? Question 2: Do any of the suspect samples appear to have recognition sites at the same location as the DNA from the crime scene? Question 3: Based on the analyses you have done, do any of the suspect samples of DNA seem to be from the same individual as the DNA from the crime scene? Describe the scientific evidence that supports your conclusion. Activity 4: Summary of Data Analysis Write a summary of your evidence, and who (if anyone) it points to as the alleged murderer. Be sure to discuss your electrophoresis process, how you analyzed the data, and summarize your results and conclusions. Is this data sufficient to convict your suspect do you think?What other evidence do you think you should have to take this to court?
GCC The Fossilized Remains of The Hominin Discovered in East Africa Essay
To answer this question, you need to imagine that you are an anthropologist who finds a fossilized skeleton -- or, at leas ...
GCC The Fossilized Remains of The Hominin Discovered in East Africa Essay
To answer this question, you need to imagine that you are an anthropologist who finds a fossilized skeleton -- or, at least, a partial one -- of a primate in Africa. You conclude that this primate was a hominin, and specifically it was some kind of australopithecine. You will write a short paper in which you discuss some aspects of your findings and conclusions. Read the directions below, and write your answer. Make sure to title each part as directed. Turn in your answer as a .doc, .docx, or .pdf file. Double-space your answer.
THE INSTRUCTIONS ARE LONG BECAUSE THEY OFFER YOU A LOT OF GUIDANCE AND REMINDERS. READ THROUGH ALL INSTRUCTIONS, REMINDERS, TIPS, NOTES, ETC. SLOWLY AND CAREFULLY AS YOU GO. DO NOT LOSE POINTS UNNECESSARILY!
DETAILS:
PART 1: Please title this part, "Region."
State if you made your discovery in the eastern or the southern part of the African continent. You don't need to be more specific than just "eastern Africa" or "southern Africa," so your answer here is just two words. Which one you pick is totally up to you -- but it will matter for the way you answer other parts, below. Don't forget to make your other answers work with your choice here!
PART 2: Please title this part, "Hominin Morphology"
In a paragraph, identify and describe at least three features of the skeleton that led you to conclude that this primate should be classified as a hominin. Explain why these features lead you to this conclusion, and for each one, explain how the feature of the skeleton actually functioned.
Note: If you follow the above instructions, it means to you need to explain the relationship between the morphology (shape) of that part of the skeleton and how that part of the body functions (works) in hominins. Remember, among primates, hominins are defined by non-honing chewing and bipedalism, so do not discuss features unless they are directly relevant to those two things! You should be explaining how each feature is adapted for non-honing chewing or for walking on two legs.
Note: This section is just about classifying the fossil as generally belonging to a hominin. It is not about classifying it as any particular species. You'll deal with that in the sections below.
PART 3: Please title this part, "Dates"
State the absolute age of the fossil and name the dating method that led you to this conclusion. In a few sentences, give an overview of how this dating method works.
Note: again, the date is up to you. But make sure it works for an australopithecine! Also, the date you choose will matter for the way you answer other parts, below.
Note: Remember, different methods of dating work on different materials and cover different ranges of dates. I'm looking to see that the method you choose works for the materials and dates in question. Make sure you know what materials and what date ranges a method applies to before you decide to say you used it!
Note: Remember when describing the dating method (as for all parts of your work) not to copy wording directly from your textbook, Canvas, or any other source!
PART 4: Please title this part, "Species"
State the species of australopithecine that you believe this fossil to belong to, and explain the evidence that led you to this conclusion. Include the general range of dates this species is known to have lived, the area in which it is known to have lived, and at least one particular aspect of morphology that differentiates this species of australopithecine from some other species of australopithecine.
Please make your australopithecine a member of one of the already known and classified species. Do not make it a new species or an unclassifiable oddity, and do not make any of your information contradict our previous knowledge about the species.
PART 5: Please title this part, "Our Ancestor?"
In a few sentence, assess whether this australopithecine species might be a direct ancestor of Homo, humans. Explain your thinking. What fits and/or doesn't fit with this being a direct ancestor of Homo? Address at least the following:
does the time that this species lived allow it to be an ancestor of Homo -- why or why not?
does the region in which this species is found make it more or less likely than other australopithecine species to be an ancestor of Homo -- why?
Note: What matters here is where most of the early Homo fossils have been found -- southern Africa or easter Africa? Don't know? Go back to the course material and find out? Can't figure it out? Ask for help!
does the particular morphology of this species suggest it is more or less likely than other australopithecine species to be an ancestor of Homo -- why?
Pay special attention to whether the species is robust or gracile! Make sure to discuss this!
Remember, this is about comparing one species of australopithecine to another. A trait that is shared by all australopithecines -- like being bipedal -- doesn't make one species of australopithecine any more likely than another to be an ancestor of Homo.
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