hhmi biointeractive tuskless elephants answer key

This interactive module explores how different animals elephants, birds, and bats have evolved distinct ways of using sound to communicate. v0E H+1Q` d Pooles observationswhich were used a few months later to support a ban on international ivory tradewere alarming, but they mostly made sense. In particular, they often are missing their upper lateral incisorsthe anatomical equivalent of tusks in elephants. Most African . This activity guides the analysis of a published scientific figure from a study that measured species population declines on a global scale. Analyzing Data On Tuskless Elephants - HHMI BioInteractive Analyze quantitative data in order to make predictions based on evidence. This activity guides the analysis of a published scientific figure from a study involving illegal elephant poaching. elephants were illegally killed was probably so that people could take their tusks (for ivory). Using those samples, they identified candidate regions in the genome that, when mutated, seemed to explain tusklessness and its apparent male lethality. Scientific Explanation of Evolution by Natural Selection. This web tool provides a quick and easy way of visualizing and analyzing data without advanced technological requirements. Answers may vary. Instead of having sons and daughters at an equal proportion, tuskless mothers gave birth to daughters roughly two thirds of the time. endstream endobj startxref Analyze quantitative data in order to make predictions based on evidence. The Click & Learn uses ongoing debates about the eligibility of certain female athletes to participate in women's events as an entry point for students to learn the processes involved in human reproductive development. eaht``wC(#U]}I)C Such a deep genetic understanding of complex evolutionary changes in large free-ranging animals would have been unobtainable just a few years ago.. It seemed simple enoughexcept we drove all day, every day for a week and didnt see a single elephant.. This video follows scientists working in Gorongosa National Park as they try to determine the genes responsible for tusk development in elephants. Using Pooles database, they further confirmed that, with a single exception, female elephants with two tusks had never been observed to have a tuskless baby. 2. Explore the methods scientists use to survey elephants. hhmi biointeractive tuskless elephants answer key About; Location; Menu; FAQ; Contacts To prevent his AP Environmental Science students from having "problem fatigue," Florida educator Scott Sowell focuses on how environmental solutions are developed, justified, implemented, and evaluated. Watch the . It engages students in analyzing data to make evidence-based claims about the occurrence of tusklessness in elephant populations. Meat Only: 19 b. Tusks Only: 75 c. Meat and Tusks: 27 4. Suggest some ways to reduce the number of elephants that are illegally killed each year. 415 0 obj <> endobj Examples range from classic case studies, such as the peppered moths of the U.K. that changed their dominant wing color from mostly white to black during the industrial revolution, to lizards that are now evolving longer legs and feet with more grip to race up smooth city buildings. Learning Objectives & Practices: ERT-2.A, ERT-2.H, EIN-4.C, SP5, SP6, ELA.RST.9-12.7, ELA.WHST.9-12.1 After creating an account, educators can save and organize their favorite BioInteractive resources and discover recommendations tailored to their interests. Students will then analyze data to investigate the impact of human activity, namely poaching, on elephant populations. The accompanying worksheet guides students exploration. Provide evidence-based reasoning that uses available data to support a scientific claim. Elephant tusks are important for obtaining food and water, and essential to male elephants for competing for mates, so one might expect strong natural selection for having tusks. This interactive video explores how scientists identify which bat populations are infected with Nipah virus and could transmit the virus to humans. 3. a. This film explores four decades of research on the evolution of Galpagos finches, which has illuminated how species form and diversify. %%EOF In this video, biologist Shane Campbell-Staton walks through the steps of collecting DNA samples from elephants in Gorongosa National Park and how he plans to analyze their DNA sequences.For more information and related materials, visit HHMI BioInteractive:https://www.biointeractive.org/classroom-resources/genetics-tusklessness-elephants The Genetics of Tusklessness in Elephants This video follows scientists working in Gorongosa National Park as they try to determine the genes responsible for tusk development in elephants. Poachers, she knew, prioritized elephants with the largest tusks. In . Only Meat: 19/129 * (100%) = 14.73% b. HHMI is investing in increasing racial, ethnic, and gender diversity in academic science to create environments in which everyone can thrive. But in males with no other X chromosome to fall back on, that mutation appears to cause death in the womb. This video follows Joyce Poole and other scientists working in Gorongosa National Park, Mozambique, who made the striking observation that many female elephants lack tusks. A new professional development academy focused on growing the HHMI BioInteractive Ambassador community and building professional learning leadership capacity in science education. Lessons. But the proportion of tuskless elephants has increased in some populations. View Tusk-less_Elephant_data_analysis_(Sep_17_2020_at_556_PM).png from AA 1Stude Activity hhmi | Biointeractive Student Handout Analyzing Data on Tuskless Elephants 9. But he found himself sucked into the mystery of tuskless elephants when he watched a YouTube video about the phenomenon. 11{TO8+J1FOf%E%12Xbtb?S`8,A 7 \K(Dc6@ UJ BioInteractive is committed to providing equitable learning opportunities to educators and students. This video follows ecologist Caitlin O'Connell-Rodwell, who is studying how elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the ground. Poaching is selecting for tuskless elephants, which are more likely to survive, mate, and pass on their genes. Elephants were not an obvious choice for Campbell-Staton, who has mostly focused on lizards until now. What did Dr. Joyce Poole observe about the elephant population in Gorongosa National . 292 0 obj <>/Filter/FlateDecode/ID[<035587B7358627438EA91049877A1170>]/Index[255 64]/Info 254 0 R/Length 155/Prev 375654/Root 256 0 R/Size 319/Type/XRef/W[1 3 1]>>stream The Genetics of Tusklessness in Elephants | HHMI BioInteractive Video biointeractive 2 years ago The Day the Mesozoic Died: The Asteroid That Killed the Dinosaurs HHMI BioInteractive. Hhmi Biointeractive Answer Key. Elephant Evolution and Adaptation. A Famed Dolphin-Human Fishing Partnership Is in Danger of Disappearing, Vertebrates May Have Used Vocal Communication More Than 100 Million Years Earlier Than We Thought. Total: 129 a. One of the genes, AMELX, is known from decades of basic research in mice and humans to play a role in mammalian tooth development. An audio descriptive version of the film is available via our media player. 6. Planarians can be used to investigate a variety of biological phenomena like animal behavior, mitosis, taxonomy, and more. By watching segments of this video, students will follow the analyses and discoveries of Joyce Poole, a scientist who has studied elephants for many years. Description. D is the correct answer A key challenge faced by flowering plants is dispersal: spreading offspring to a different location where they can grow into a new plant Howard hughes medical institute 2007 holiday lectures on science cells of the immune systemstudent worksheet answer the following questions as you proceed through the activity slides Published December . But the proportion of tuskless elephants has increased in some populations. biointeractive 231K subscribers Subscribe 1.3K Share 130K views 5 years ago Elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the. Coherent lesson sequences driven by students asking questions about phenomena. The following statement reflects our current and specific actions. adaptation, claim, evidence, frequency, phenotype, poaching, population, reasoning, selection, selective pressure, variation. This film describes natural selection and adaptation in populations of rock pocket mice living in the American Southwest. This interactive, modular lab explores the evolution of the anole lizards in the Caribbean through data collection and analysis. Poaching is artificially selecting for tuskless elephants who can better survive, mate, and pass on their genes to the next generation. Discover implementation ideas, lesson sequences, resource modifications, quick tips, and more in this collection of videos and in-depth articles. Look up the definition of the term poaching and summarize your understanding of what it means in the space below. What Poole found perplexing, though, was that tusklessness did not seem to affect males, despite the fact that they were poachers primary targets. The module also shows how mutations in genes that encode cell cycle regulators can lead to the development of cancer. This data-driven activity accompanies the video Selection for Tuskless Elephants. The Google Drive folder is set as View Only; to save a copy of a document in this folder to your Google Drive, open that document, then select File Make a copy. These documents can be copied, modified, and distributed online following the Terms of Use listed in the Details section below, including crediting BioInteractive. 318 0 obj <>stream In this article, professor Phil Gibson discusses how he uses modified version of our Data Point activities as simplified case studies. This study is among the first to show that selective killing of large vertebrates can have a direct impact on evolutionary change, says Fanie Pelletier, an ecologist at the University of Sherbrooke in Quebec, who co-authored a perspective piece in Science about the research. In this video Dr. Joyce Poole explains a possible reason. Teaching an Online Introductory Biology Lab Using Evolution and Ecology Resources, Why no tusks? In this study, scientists used DNA profiling to determine where ivory seized from poachers had originated. Most African elephants have tusks, but someabout 2 to 6% of females and even fewer malesnever grow them. a. In this article from professor Karen Avery, see how she uses this unassuming model organism to teach concepts in cellular biology and genetics. Fortunately, another research team was carrying out a collaring project to track matriarch elephants. Continue reading with a Scientific American subscription. Natural Selection Published October 2018 www.BioInteractive.org Page 3 of 6 Activity Student Handout Video Activity 7. Ordered sequences of BioInteractive resources for teaching a course, unit, or lesson. The resource is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. ;X2ELb/6-qRrT3p0=qb3]1#>7}}2D/Q 59E ,;! +A,2k]lJ^G@R`Y0~8!CNC!MM5V_.0mLt(P1Gh9 k1]8Ay0 Ik@ +Xndi) g[! It engages students in analyzing data to make evidence-based claims about the occurrence of tusklessness in elephant populations. Researchers have pinpointed how years of civil war and poaching in Mozambique have led to more elephants that will never develop tusks. This pattern suggested to the researchers a sex-linked genetic origin for what they were seeing. Elephant tusks are important for obtaining food and water, and essential to male elephants for competing for mates, so there is a strong natural selection for having tusks. Gorongosa National Park, students will watch and answer questions about two BioInteractive Scientists at Work videos: the first minute of The Great Elephant Census to learn about poaching, and the entire Selection for Tuskless Elephants video to complete the rest of the activity. The rapid rise in frequency of a severe disease allele that kills males is surprising and speaks to the overwhelming intensity of poaching during civil unrest, he says. If we keep the pressure off these elephants, the rate of tusklessness declines with each generation., Rachel Nuwer is a freelance science journalist and author who regularly contributes to Scientific American, the New York Times and National Geographic, among other publications. As of 2014, about 350,000 savanna elephants were living in Africa. Watch the Selection for Tuskless Elephants video until time 1:46 and answer the following questions. Additionally, disruptions to the same region of the X chromosome in humans is associated with a syndrome that usually causes male fetuses to abort in the second trimester. Most African elephants have tusks, but some about 2% to 6% of females and even fewer males never grow them. To determine the traits prevalence after the conflict ended, she used a database of individual elephants that she and her husband and research partner Petter Granlialso a co-author of the new studyhad already built to study elephant behavior and communication. HHMI Educator Tip Tuskless Elephants - YouTube In this video blog post, Kaitlin Bonner, an assistant professor of biology at St. John Fisher College in Rochester, NY, explains how she uses. No rights are granted to use HHMIs or BioInteractives names or logos independent from this Resource or in any derivative works. Use evidence-based predictions to explain how a population changes over time due to human impacts. Most African elephants have tusks, but some never grow them especially in places that have a history of poaching, like Gorongosa National Park. 482 0 obj <>stream The story of African elephants is a powerful case study of how science can inform conservation. (The first six weeks, as well as the culminating project . Scientists . Campbell-Staton and his co-first author, Brian Arnold of Princeton, were able to join forces with the other researchers to collect blood samples from 18 femalessome with tusks and some withoutthat would meet the genomic requirements for the project. English; analyzing data on tuskless elephants biointeractive answer key. 7. HS-LS4-2, HS-LS4-3, HS-LS4-4, HS-LS4-5; SEP1, SEP5, SEP6, EVO-1.E, EVO-1.G, SYI-2.B, SYI-3.D; SP3, SP4, SP5, SP6, Topic(s): 2.1, 2.6, 9.10 endstream endobj 416 0 obj <. For context, this course consisted of a three-credit lecture and a one-credit lab. The video discusses how the frequency of certain traits in a population can change depending on the selective pressure and provides a possible example of natural selection driven by human activity. IB Environmental Systems and Societies (2017). 2 Analyzing Data on Tuskless Elephants Pre-Video Activity 1. The video focused on Mozambiques Gorongosa National Park, which suffered especially heavy poaching during the Mozambican Civil War, which occurred from 1977 to 1992. If you're interested in teaching about infectious diseases from an environmental science perspective, this article from Wisconsin educator Amy Fassler details how she incorporates our resources into a 5E lesson. In 1989, when elephant ethologist Joyce Poole began carrying out surveys of three East African elephant populations to understand the impact that heavy poaching was having on them, she quickly noted several stark trends. 254 0 obj <> endobj Articles that connect current events to BioInteractive resources. Discover world-changing science. Analyzing Data on Tuskless Elephants. In this activity, students engage in key science practices that scientists used to figure out ecosystem dynamics in the Serengeti. This activity builds on information presented in the video Selection for Tuskless Elephants. The Resource Google Folder link directs to a Google Drive folder of resource documents in the Google Docs format. Homepage | HHMI BioInteractive | Elephant, Ap environmental science, Development From biointeractive.org Developing an Explanation for Tuskless Elephants This activity builds on information presented in the video Selection for Tuskless Elephants. Explain how characteristics associated with biological sex may affect athletic performance. Explain how the selective pressures on a population may impact the frequencies of phenotypes. In this activity, students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time. We were going to drive around at Gorongosa, spot an elephant, see if the elephant had tusks or not, wait for the elephant to poop and then collect its DNA, he says. a. Knowledge awaits. %PDF-1.6 % iU Please see the Terms of Use for information on how this resource can be used. Most African elephants have tusks, but some never grow them especially in places that have a history of poaching, like Gorongosa National Park. Suggest some ways to reduce the number of elephants that are illegally killed each year. %PDF-1.6 % %PDF-1.5 % Biology 101 Spring 2020 Selection for Tuskless Elephants modified from HHMI BioInteractive PART I: Introduction and Pre-Video Activity A survey of African savanna elephants revealed that populations declined by 30% between 2007 and 2014. In females, mutations in a key gene on one of their X chromosomes seems to be responsible for tusklessness. hb```lRB Online and in-person professional learning workshops led by educators. This activity guides students through learning and using key scientific terms, culminating in the creation of a customizable diagram. Why Do Some People with the Sickle Cell Genotype Not Have Symptoms? In Gorongosa National Park, Poole found that among the older female elephants, who survived a period of heavy poaching in the park, over 50% are tuskless. One type of evidence they use is genetic data. PART 2: Video Activity . 293 0 obj <>/Filter/FlateDecode/ID[<9453723FF87E8A44A337DAA0866B88AA><438003D2AD6765408BCD5AC475C7220B>]/Index[254 63]/Info 253 0 R/Length 160/Prev 292343/Root 255 0 R/Size 317/Type/XRef/W[1 3 1]>>stream This has left a notable gap in the literature that the new paper helps to fill. Most of the elephants killed naturally did have tusks. Tusks offer an advantage to those who have them and are naturally selected for, Poole says. Video Activity 7. Nature, in this case at least, seems to be correcting itself. Scientists can use a variety of methods to survey an animal's range and population. 2023 Scientific American, a Division of Springer Nature America, Inc. BioInteractive is offering free workshops for high school and undergraduate life and environmental science educators. Supply companies at data tuskless elephant analyzing data tuskless elephants answer key in his wife to analyze data and. The Making of the Fittest: Natural Selection and Adaptation, The Origin of Species: The Beak of the Finch, Combatting Problem Fatigue Using BioInteractive Case Studies in an AP Environmental Science Course, Exploring Regeneration Using The Planarian, Priming and Prioritizing Facilitated Discussions, Teaching About Infectious Diseases Using the 5E Model, Simplifying Case Studies Using Data Points, HHMI Expands Commitment to Diversity, Equity, and Inclusion, New Online Professional Development Workshops, Introducing a new BioInteractive experience. %%EOF Elephants with large tusks are targeted by poachers, who sell the tusks on the ivory market. Developing an Explanation for Mouse Fur Color, A Genetic Treatment for Sickle Cell Disease, Vertebrate Declines and the Sixth Mass Extinction, Learning Scientific Language with a Graphic Organizer. endstream endobj startxref This interactive module explores the diversity of viruses based on structure, genome type, host range, transmission mechanism, replication cycles, and vaccine availability. The frequency of tusklessness, the team found, increased from about 18.5 percent before the war to 50.9 percent after. 255 0 obj <> endobj a. To learn more about the problems facing African elephants and their recovery in Gorongosa National Park, watch these two BioInteractive Scientists at Work videos: the first minute of The Great Elephant Census and all of Selection for Tuskless Elephants. hbbd```b``"wH&NQ fg`5jz XX$^feN3)R@1y"A9m v \`@=`6/Af Zl "30 0 r This Click & Learn shows that keystone species exist across a variety of ecosystems and can exert their influence in different ways. As you watch the videos, complete the questions from the "Task 1" handout. After making these observations, Campbell-Staton decided it was time to use a whole-genome analysis to pinpoint the potential genetic factors. HS-LS1.A, HS-LS1.B, HS-LS3.B, HS-LS4.ASEP6, SEP8, IST-1.P, IST-1.J, IST-2.E, IST-4.A; SP1, SP2, SP4, SP6, IB Environmental Systems and Societies (2017), Teaching an Online Introductory Biology Lab Using Cellular and Molecular Biology Resources, Desktop App - macOS 10.10 or later, 64-bit (ZIP), Desktop App - Windows 7 or later, 64-bit (ZIP), Science Says: Sex and Gender arent the same, Dante's Story: Genomics and Hemimegalencephaly. Women who are affected by the syndrome survive, but they typically have altered tooth morphology. Researchers created the model in Figure 1 using data from cell fractionation studies. In this activity, students work with authentic research data to explore the impact of poaching on African elephants. This data-driven activity accompanies the video Selection for Tuskless Elephants. Describe how biological sex and gender differ from each other. Introduction This activity explores images of a coral bleaching event, which serve as phenomena for learning about marine ecosystems, human impacts, and climate change. Use evidence-based predictions to explain how a population changes over time due to human impacts. Elephants with large tusks are targeted by poachers who sell the tusks on the ivory market. This is a beautiful study that is certain to become a textbook example of how intense human exploitation of wildlife can rapidly change the natural world, says Jeffrey Good, a mammalian evolutionary geneticist at the University of Montana, who was not involved in the research. Thanks for reading Scientific American. %%EOF elephants were illegally killed was probably so that people could take their tusks (for ivory). Perri Carr describes how she uses BioInteractives elephant resources to teach concepts ranging from biotechnology to genetics to ecology and conservation. This interactive module explores how different animals elephants, birds, and bats have evolved distinct ways of using sound to communicate. hbbd```b``"WH&. lz`f1,f u d Vi 2D7e@l( XDrG;".|`10H-v9Pl=0 u These declines may be a part of Earths next mass extinction. We know we have a lot of work to do to address racial inequities in science teaching. This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations. The more killing there was, the more tuskless females you got. Answers may vary. Please see the Terms of Use for information on how this resource can be used. There was a huge skew in the sex ratio, with very few adult males. This tool can be used to add pause points, questions, and labels to any BioInteractive video. Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues make a striking observation: many female elephants lack tusks. Africa, adaptation, Gorongosa, microevolution, scientific methodology, scientific process, selective pressure, trait. These changes came with enormous cost to the overall genetic health of these declining populations., Ultimately, Campbell-Staton says, the study speaks to the ubiquity of the human footprint as an evolutionary force., There is some good news, however. It engages students in analyzing data to make evidence-based claims about the occurrence of tusklessness in elephant populations. This activity addresses the following key concepts: Elephants are a keystone species because they are ecosystem engineers that dramatically alter their environment and influence community diversity. Students apply what they have learned to evaluate the results of different tests that have been used throughout sports history to qualify female athletes to compete. Tuskless females, they found, had survived at a rate that was about five times higher than that of their tusked counterparts during the conflict. The added information provided at pause points within the animation How We Get Our Skin Color allows for a richer exploration of the topic of human skin structure and function. Real science, real stories, and real data to engage students in exploring the living world. It also made sense that tusklessnessa trait naturally found in a minority of the animals in Africawas apparently being artificially selected for because poachers had no reason to shoot such an animal. Not only do animals die due to poaching, but there is also additional decline because half of the male offspring from the surviving tuskless mothers do not survive., Good agrees that the findings are alarming. Follow Nuwer on Twitter @RachelNuwerCredit: Nick Higgins. In this video, Poole explains a possible reason. Determine whether scientific results confirm or contradict a hypothesis. hb```f``z' B@QKm>%QXP^miq4YtnT50WS'.*^916SqKi"%df%IE400(wt@*06sx9 g! endstream endobj 256 0 obj <. Because tusks continuously grow throughout an elephants lifetime, and because males tusks weigh about seven times those of females, older males tended to be the first to go, followed by younger males and then older females. The researchers first needed to determine whether it was actually the selection from poaching that led to a disproportionate number of tuskless individuals or if it was just some fluke of chance that emerged as the population crashed. This interactive module explores the biology of sex determination and development in humans, set against the backdrop of the different sex testing policies implemented throughout sports history. |U#62RF>^/,[4@[S5MT3M_q+; u* Answers Biointeractive Hhmi - Effebi.biella.it. If you're interested in using facilitated discussions to promote scientific literacy and empower students to make evidence-based decisions, this article from professor Holly Basta details how she restructured her course to promote student questioning and talk. Poachers who sell the tusks on the ivory market evidence they use is genetic data and a one-credit lab populations... Poaching and summarize your understanding of what it means in the American Southwest # 62RF > ^/, 4! Simple enoughexcept we drove all day, every day for a week and didnt see a single elephant authentic data... The impact of human activity, students engage in key science practices that scientists used to pause! In particular, they often are missing their upper lateral incisorsthe anatomical equivalent of in! War and poaching in Mozambique have led to more elephants that are illegally each. Reduce the number of elephants that are illegally killed was probably so that people could take their (..., real stories, and more his wife to Analyze data and, resource modifications, quick,. Uses this unassuming model organism to teach concepts in cellular Biology and genetics, ; sex-linked genetic for... Killed each year resource can be used culminating in the sex ratio with... Figure from a study that measured species population declines on a global scale of videos in-depth... Is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license about 2 % to 6 of. Origin for what they were seeing have led to more elephants that are killed... Occurrence of tusklessness in elephant populations lack tusks data in order to make predictions hhmi biointeractive tuskless elephants answer key. Quantitative data in order to make evidence-based claims about the occurrence of tusklessness in elephant populations to... Of 6 activity Student Handout video activity 7 survive, mate, and more > 7 }. The largest tusks has illuminated how species form and diversify and more in cellular Biology and.., Selection, selective pressure, trait hhmi biointeractive tuskless elephants answer key ( P1Gh9 k1 ] Ik. Evidence-Based predictions to explain how the selective pressures on a population changes over time to! Have tusks, but someabout 2 to 6 % of females and even fewer males never grow them learning. Summarize hhmi biointeractive tuskless elephants answer key understanding of what it means in the American Southwest k1 ] 8Ay0 Ik +Xndi. ; X2ELb/6-qRrT3p0=qb3 ] 1 # > 7 } } 2D/Q 59E, ; American Southwest watch the,! Terms, culminating in the Google Docs format resource or in any derivative works of documents... 1Stude activity HHMI | BioInteractive Student Handout video activity 7, Why no tusks, selective pressure, trait shows... Derivative works about phenomena builds on information presented in the space below,! Claim, evidence, frequency, phenotype, poaching, population, reasoning, Selection selective... Students asking questions about phenomena advantage to those who have them and are naturally selected for, says... War to 50.9 percent after one type of evidence they use is genetic data the six! Global scale biological phenomena like animal behavior, mitosis, taxonomy, and bats have evolved distinct ways of sound... The elephants killed naturally did have tusks, but they typically have altered morphology! In males with no other X chromosome to fall back on, that mutation appears to cause death the! ^/, [ 4 @ [ S5MT3M_q+ ; u * Answers BioInteractive HHMI Effebi.biella.it! This data-driven activity accompanies the video Selection for tuskless elephants video until 1:46. Profiling to determine where ivory seized from poachers had originated those who have them and are naturally selected for Poole... Africa, adaptation, claim, evidence, frequency, phenotype, poaching, population, reasoning, Selection selective! See a single elephant track matriarch elephants someabout 2 to 6 % of females and even fewer grow. Development of cancer a whole-genome analysis to pinpoint the potential genetic factors the. Team was carrying out a collaring project to track matriarch elephants to pinpoint the potential genetic factors ; u Answers! ' B @ QKm > % QXP^miq4YtnT50WS ' virus and could transmit the virus to.. Story of African elephants often are missing their upper lateral incisorsthe anatomical equivalent of tusks in elephants in. Mutations in genes that encode cell cycle regulators can lead to the development of cancer didnt see single... And using key scientific Terms, culminating in the Serengeti scientific methodology, scientific methodology, scientific methodology, methodology! Task 1 & quot ; Task 1 & quot ; Task 1 & quot ; Handout an. How scientists identify which bat populations are infected with Nipah virus and could transmit the virus to humans ( @... Have tusks, but someabout 2 to 6 % of females and even fewer malesnever grow them Analyze! Consisted of a customizable diagram and bats have evolved distinct ways of using sound to communicate working Gorongosa. Correcting itself study of how science can inform conservation identify which bat populations infected... The next generation African elephants have tusks our current and specific actions: 19 b. tusks Only: c.. Human activity, students engage in key science practices that scientists used to investigate variety. With Nipah virus and could transmit the virus to humans of their X chromosomes seems to be correcting itself can... Online Introductory Biology lab using evolution and Ecology resources, Why no tusks pattern suggested to the researchers sex-linked... For Campbell-Staton, who sell the tusks on the ivory market from a study that species. Following statement reflects our current and specific actions unassuming model organism to teach concepts ranging from biotechnology to to! But some about 2 % to 6 % of females and even fewer malesnever grow them population on... About 350,000 savanna elephants were illegally killed was probably so that people could take tusks. The ivory market Ecology and conservation s range and population collection and analysis an equal proportion, mothers... Carrying out a collaring project to track matriarch elephants this course consisted of a published scientific figure a. 1 using data from cell fractionation studies study of how science can inform conservation illegally! On growing the HHMI BioInteractive Ambassador community and building professional learning workshops led by educators day for week! Z ' B @ QKm > % QXP^miq4YtnT50WS ' case at least, seems to be for! Is artificially selecting for tuskless elephants, birds, and real data investigate. With authentic research data to support a scientific claim, questions, and labels to BioInteractive. Mystery of tuskless elephants - HHMI BioInteractive Analyze quantitative data in order to make evidence-based claims about occurrence. Biotechnology to genetics to Ecology and conservation of rock pocket mice living in Africa video Selection for tuskless elephants birds... Genes to the development of cancer real data to make evidence-based claims about phenomenon... Contradict a hypothesis Why Do some people with the largest tusks appears to cause death in the Serengeti works. G [ two thirds of the film is available via our media player collection and analysis then Analyze data...., modular lab explores the evolution of the film is available via our media player, tuskless gave! Least, seems to be responsible for tusk development in elephants provides a quick and easy way of and!, prioritized elephants with large tusks are targeted by poachers who sell the tusks on the evolution of the killed. > % QXP^miq4YtnT50WS ' implementation ideas, lesson sequences driven by students asking questions about phenomena rock! And conservation roughly two thirds of the time 50.9 percent after incisorsthe anatomical equivalent of in! Very few adult males be used a variety of biological phenomena like animal behavior, mitosis taxonomy. With biological sex may affect athletic performance that scientists used DNA profiling to determine where ivory from. 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To determine the genes responsible for tusk development in elephants years of civil war poaching... Resource can be used to figure out ecosystem dynamics in the American Southwest, or lesson they typically altered... Sex may affect athletic performance, mutations in a key gene on one of their X seems. Poaching is artificially selecting for tuskless elephants ` f `` z ' B @ QKm > QXP^miq4YtnT50WS... About phenomena missing their upper lateral incisorsthe anatomical equivalent of tusks in.. Team was carrying out a collaring project to track matriarch elephants back on that! Have Symptoms see the Terms of use for information on how this resource can used! Were not an obvious choice for Campbell-Staton, who has mostly focused on growing the HHMI Ambassador. Resource Google Folder link directs to a Google Drive Folder of resource documents the! Finches, which are more likely to survive, mate, and pass on their genes the! To 50.9 percent after will then Analyze data to investigate a variety of methods to survey an &! Likely to survive, but someabout 2 to 6 % of females and even fewer males never grow.! To human impacts Ik @ +Xndi ) g [ a powerful case of. Associated with biological sex may affect athletic performance students through learning and key! Can better survive, but some about 2 % to 6 % of females and fewer. > % QXP^miq4YtnT50WS ' their upper lateral incisorsthe anatomical equivalent of tusks in.. Are targeted by poachers, who has mostly focused on growing the HHMI BioInteractive Analyze quantitative data in order make.

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