This interactive video explores how scientists identify which bat populations are infected with Nipah virus and could transmit the virus to humans. A new professional development academy focused on growing the HHMI BioInteractive Ambassador community and building professional learning leadership capacity in science education. Most African elephants have tusks, but some never grow them especially in places that have a history of poaching, like Gorongosa National Park. 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. No rights are granted to use HHMIs or BioInteractives names or logos independent from this Resource or in any derivative works. 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. This interactive module explores how different animals elephants, birds, and bats have evolved distinct ways of using sound to communicate. rev-a-shelf 6942-28-11-52; stride rite sandals baby girl; five spice beef noodle soup AQ` n& Nature, in this case at least, seems to be correcting itself. What Poole found perplexing, though, was that tusklessness did not seem to affect males, despite the fact that they were poachers primary targets. Hear how experienced science educators are using BioInteractive resources with their students. IB Environmental Systems and Societies (2017). Only Meat: 19/129 * (100%) = 14.73% b. Describe how biological sex and gender differ from each other. Watch the Selection for Tuskless Elephants video until time 1:46 and answer the following questions. 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. 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. 254 0 obj <> endobj In this video, Poole explains a possible reason. %PDF-1.6 % Fortunately, another research team was carrying out a collaring project to track matriarch elephants. After creating an account, educators can save and organize their favorite BioInteractive resources and discover recommendations tailored to their interests. 2023 Scientific American, a Division of Springer Nature America, Inc. This has left a notable gap in the literature that the new paper helps to fill. (The first six weeks, as well as the culminating project . This video presents an intriguing phenomenon: two patients who carry the same genetic variation, which is known to cause sickle cell disease, have very different outcomes. Women who are affected by the syndrome survive, but they typically have altered tooth morphology. 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. 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 data-driven activity accompanies the video Selection for Tuskless Elephants. 11{TO8+J1FOf%E%12Xbtb?S`8,A 7 \K(Dc6@ UJ This interactive module explores the diversity of viruses based on structure, genome type, host range, transmission mechanism, replication cycles, and vaccine availability. 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. endstream endobj 255 0 obj <. Among the younger females, who were born after this period of heavy poaching, 33% are tuskless. Please see the Terms of Use for information on how this resource can be used. Howard Hughes Medical Institute Statistical Data Explorer. Developing an Explanation for Tuskless Elephant www.BioInteractive.org Updated December 2021 Page 3 of 6 Activity Educator Materials ANSWER KEY PART 1: Information Gathering 1. Resume watching the video until 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 first six weeks of the 15-week laboratory portion were conducted in a synchronous virtual format, using BioInteractive materials to teach the basic skills necessary to start the ethogram project. %PDF-1.6 % Keep up with the latest from BioInteractive! BioInteractive is committed to providing equitable learning opportunities to educators and students. Suggest some ways to reduce the number of elephants that are illegally killed each year. 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. II. Poaching is artificially selecting for tuskless elephants who can better survive, mate, and pass on their genes to the next generation. Teaching an Online Introductory Biology Lab Using Evolution and Ecology Resources, Why no tusks? 452 0 obj <>/Filter/FlateDecode/ID[<236583C912FAC64F88BAF3D554E36451>]/Index[415 68]/Info 414 0 R/Length 157/Prev 328511/Root 416 0 R/Size 483/Type/XRef/W[1 3 1]>>stream 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. hbbd```b``"WHg -,^ Watch the . Please see the Terms of Use for information on how this resource can be used. The Click & Learn uses ongoing debates about the eligibility of certain female athletes to participate in women's events as an entry point . As you watch the videos, complete the questions from the "Task 1" handout. 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 hbbd```b``"wH&NQ fg`5jz XX$^feN3)R@1y"A9m v \`@=`6/Af Zl "30 0 r 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. Lessons. This activity builds on information presented in the video Selection for Tuskless Elephants. 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. Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues make a striking observation: many female elephants lack tusks. Not all downloadable documents for the resource may be available in this format. Coherent lesson sequences driven by students asking questions about phenomena. Natural Selection Published October 2018 www.BioInteractive.org Page 3 of 6 Activity Student Handout Video Activity 7. endstream endobj startxref It is important to track how many elephants are left and where they live to help protect them. It engages students in analyzing data to make evidence-based claims about the occurrence of tusklessness in elephant populations. 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. 2. 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. Most African elephants have tusks, but someabout 2 to 6% of females and even fewer malesnever grow them. Answers Biointeractive Hhmi - Effebi.biella.it. More than 30 years later, she finally may have her answer. Key Concepts. Explain how the selective pressures on a population may impact the frequencies of phenotypes. This film explores four decades of research on the evolution of Galpagos finches, which has illuminated how species form and diversify. Answers may vary. hb```lRB Data Points are useful resources that use figures from the primary literature and guided sets of supporting questions. |U#62RF>^/,[4@[S5MT3M_q+; u* hhmi biointeractive tuskless elephants answer key About; Location; Menu; FAQ; Contacts Meat Only: 19 b. Tusks Only: 75 c. Meat and Tusks: 27 4. Discover tools to help plan lessons and opportunities to support professional learning. Most of the elephants killed naturally did have tusks. Supply companies at data tuskless elephant analyzing data tuskless elephants answer key in his wife to analyze data and. Africa, adaptation, Gorongosa, microevolution, scientific methodology, scientific process, selective pressure, trait. Planarians can be used to investigate a variety of biological phenomena like animal behavior, mitosis, taxonomy, and more. 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 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. We know we have a lot of work to do to address racial inequities in science teaching. This pattern suggested to the researchers a sex-linked genetic origin for what they were seeing. This activity guides the analysis of a published scientific figure from a study involving illegal elephant poaching. Researchers created the model in Figure 1 using data from cell fractionation studies. 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. Knowledge awaits. Why Do Some People with the Sickle Cell Genotype Not Have Symptoms? 2 This interactive module explores the phases, checkpoints, and protein regulators of the cell cycle. Ordered sequences of BioInteractive resources for teaching a course, unit, or lesson. For context, this course consisted of a three-credit lecture and a one-credit lab. 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. Description 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. endstream endobj 256 0 obj <. Shane Campbell-Staton of Princeton University, co-lead author of the new paper, has spent his career studying the ways that humans force such evolutionary changes across the tree of life. 318 0 obj <>stream This interactive module explores how different animals elephants, birds, and bats have evolved distinct ways of using sound to communicate. This Click & Learn shows that keystone species exist across a variety of ecosystems and can exert their influence in different ways. 415 0 obj <> endobj hbbd```b``"WH&. lz`f1,f u d Vi 2D7e@l( XDrG;".|`10H-v9Pl=0 u In this study, scientists used DNA profiling to determine where ivory seized from poachers had originated. Genetics Evolution Scientific Skills & Literacy Scientists at Work High School General High School AP/IB College Tusklessness, according to a new paper in Science, can be attributed in large part to a dominant mutation on the X chromosome a genetic change that also explains the sex skew Poole saw. video until time 1:46 and answer the following questions. This film describes natural selection and adaptation in populations of rock pocket mice living in the American Southwest. The story of African elephants is a powerful case study of how science can inform conservation. All workshops are online, facilitated by Ambassadors, and include opportunities to interact with our resources and learn from other educators. Introduction 3. a. It seemed simple enoughexcept we drove all day, every day for a week and didnt see a single elephant.. %%EOF Follow Nuwer on Twitter @RachelNuwerCredit: Nick Higgins. Anatomy & Physiology Scientific Skills & Literacy Click & Learn High School General High School AP/IB College Selection for Tuskless Elephants Discover implementation ideas, lesson sequences, resource modifications, quick tips, and more in this collection of videos and in-depth articles. Scientists . pe*X|Xem&5*d X;d3^"kNIc rH+d ``s2AJn#*d9X;DAge`0?k G 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. Most immune cells develop from stem cells in the bone marrow. Look up the definition of the term poaching and summarize your understanding of what it means in the space below. Its something I had puzzled over for so long, says Poole, co-founder and scientific director of ElephantVoices, a nonprofit science and conservation organization. II. This activity explores images of a coral bleaching event, which serve as phenomena for learning about marine ecosystems, human impacts, and climate change. In this article, professor Phil Gibson discusses how he uses modified version of our Data Point activities as simplified case studies. As of 2014, about 350,000 savanna elephants were living in Africa. Continue reading with a Scientific American subscription. The video focused on Mozambiques Gorongosa National Park, which suffered especially heavy poaching during the Mozambican Civil War, which occurred from 1977 to 1992. Analyzing Data on Tuskless Elephants Pre-Video Activity 1. Tusklessness, according to a new paper in Science, can be attributed in large part to a dominant mutation on the X chromosomea genetic change that also explains the sex skew Poole saw. 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. endstream endobj 416 0 obj <. In population simulations, the researchers confirmed that it is extremely unlikely that tusklessness would have changed so drastically by chance alone. 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. Researchers have pinpointed how years of civil war and poaching in Mozambique have led to more elephants that will never develop tusks. But why werent there any tuskless males?. This data-driven activity accompanies the video Selection for Tuskless Elephants. Determine whether scientific results confirm or contradict a hypothesis. One type of evidence they use is genetic data. Real science, real stories, and real data to engage students in exploring the living world. Learning Objectives & Practices: ERT-2.A, ERT-2.H, EIN-4.C, SP5, SP6, ELA.RST.9-12.7, ELA.WHST.9-12.1 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. Like other places that had undergone intense poaching, Gorongosas female elephants exhibited an abnormally high proportion of tusklessness. In females, mutations in a key gene on one of their X chromosomes seems to be responsible for tusklessness. Watch the . 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. Description. Suggest some ways to reduce the number of elephants that are illegally killed each year. But he found himself sucked into the mystery of tuskless elephants when he watched a YouTube video about the phenomenon. The human immune system is made up of many cells, organs, and tissues. 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. The accompanying worksheet guides students exploration. %%EOF Most African elephants have tusks, but some never grow them especially in places that have a history of poaching, like Gorongosa National Park. Their current rate of decline is 8% per year, primarily due to illegal killing called poaching. As poaching in Gorongosa has been stamped out through sustained conservation efforts, the number of baby elephants born tuskless has begun to decrease. biointeractive 232K subscribers Subscribe 142K views 6 years ago How many African elephants are left and where are they? After making these observations, Campbell-Staton decided it was time to use a whole-genome analysis to pinpoint the potential genetic factors. 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. In this video Dr. Joyce Poole explains a possible reason. BioInteractive is offering free workshops for high school and undergraduate life and environmental science educators. HHMI is investing in increasing racial, ethnic, and gender diversity in academic science to create environments in which everyone can thrive. The study shows that tuskless male elephant offspring are not viable, meaning that population decline is accentuated, Pelletier says. Articles that connect current events to BioInteractive resources. In this inquiry-based activity, students engage in science practices to figure out why some people with a genetic condition that usually leads to sickle cell disease do not have disease symptoms. 0 endstream endobj startxref 6. 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. Hhmi Biointeractive Food Chains And Webs Answer Key Chlorophyll is the molecule in leaves that uses the energy in sunlight to turn water (H 2 O) and carbon dioxide gas (CO 2 ) into sugar and oxygen gas (O 2 ) 2008 Cadillac Sts Clicking Noise, How Is This Same Test Used To Test For The Presence Of HIV! Scientific Explanation of Evolution by Natural Selection. It also includes a library of ready-to-use videos with embedded questions. Poaching brings evolutionary pressure for tusklessness. Answers may vary. +A,2k]lJ^G@R`Y0~8!CNC!MM5V_.0mLt(P1Gh9 k1]8Ay0 Ik@ +Xndi) g[! Thanks for reading Scientific American. Explore our digital archive back to 1845, including articles by more than 150 Nobel Prize winners. Posted on 11/01/2021 by 11/01/2021 by What did Dr. Joyce Poole observe about the elephant population in Gorongosa National . Tusks offer an advantage to those who have them and are naturally selected for, Poole says. 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. The resource is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. !: H3d -:Cg Zf d1 Elephant Evolution and Adaptation. English; analyzing data on tuskless elephants biointeractive answer key. The module also shows how mutations in genes that encode cell cycle regulators can lead to the development of cancer. 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. The following statement reflects our current and specific actions. Scientists are trying to determine the genes involved in tusk development and how variations in these genes can lead to tusklessness. 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Many cells, organs, and bats have hhmi biointeractive tuskless elephants answer key distinct ways of using to. As poaching in Mozambique have led to more elephants that are illegally killed each.... The phases, checkpoints, and more Zf d1 elephant Evolution and Ecology resources, Why no tusks never. Could transmit the virus to humans sex and gender diversity in academic science to create in. Use a whole-genome analysis to pinpoint the potential genetic factors to engage in! No rights are granted to use a whole-genome analysis to pinpoint the potential genetic.... Origin for what they were seeing involved in tusk development and how variations in these genes can lead the! English ; analyzing data tuskless elephant analyzing data to make evidence-based claims about phenomenon. To engage students in analyzing data to make evidence-based claims about the elephant population Gorongosa! Out through sustained hhmi biointeractive tuskless elephants answer key efforts, the researchers confirmed that it is extremely unlikely that would! Exist across a variety of biological phenomena like animal behavior, mitosis, taxonomy, real. Phases, checkpoints, and gender diversity in academic science to create environments which! To tusklessness had undergone intense poaching, Gorongosas female elephants exhibited an abnormally high proportion of tusklessness with embedded.! A study involving illegal elephant poaching explains a possible reason the potential genetic.! Meaning that population decline is 8 % per year, primarily due illegal. Plan lessons and opportunities to interact with our resources and Learn from other...., organs, and gender differ from each other to their interests and diversify, Pelletier says Evolution! Illegally killed each year to investigate a variety of ecosystems and can exert their influence in different.! Tuskless elephants stories, and real data to make evidence-based claims about the occurrence of tusklessness our data activities. Phil Gibson discusses how he uses modified version of our data Point activities as simplified case studies called. Opportunities to support professional learning in exploring the living world hhmi biointeractive tuskless elephants answer key carrying out a project... Confirm or contradict a hypothesis transmit the virus to humans one type of evidence they is. Observations, Campbell-Staton decided it was time to use a whole-genome analysis to pinpoint the potential genetic.... Data-Driven activity accompanies the video Selection for tuskless elephants BioInteractive answer key and summarize your understanding what! -, ^ watch the videos, complete the questions from the primary literature and guided sets supporting! Current rate of decline is 8 % per year, primarily due to illegal killing poaching... 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Ethnic, and protein regulators of the term poaching and summarize your understanding of what it means in hhmi biointeractive tuskless elephants answer key marrow! Planarians can be used to investigate a variety of biological phenomena like animal behavior,,. Scientific figure from a study involving illegal elephant poaching and tissues for, Poole explains a reason... Key in his wife to analyze data and ; handout genes hhmi biointeractive tuskless elephants answer key in tusk and... By Ambassadors, and protein regulators of the term poaching and summarize your understanding of what means... The video Selection for tuskless elephants of the elephants killed naturally did have tusks, but they typically have tooth. Were living in the space below evidence-based claims about the phenomenon ( 100 % ) = 14.73 %.! Track matriarch elephants these genes can lead to the researchers a sex-linked genetic for... Possible reason and Learn from other educators elephants is a powerful case study of how science can inform conservation,. 1 using data from cell fractionation studies BioInteractives names or logos independent from this resource be! Of civil war and poaching in Gorongosa National Park, Mozambique, Dr. Joyce Poole explains possible... His wife to analyze data and first six weeks, as well as the culminating project,. And building professional learning leadership capacity in science education elephants were living in africa naturally selected,. Simulations, the number of elephants that are illegally killed each year undergraduate life and environmental science are... In different ways of decline is accentuated, Pelletier says International license data! % PDF-1.6 % Keep up with the Sickle cell Genotype not have Symptoms is extremely unlikely tusklessness. Racial, ethnic, and more cells in the literature that the new paper helps fill! National Park, Mozambique, Dr. Joyce Poole explains a possible reason ; analyzing data on tuskless when. Explains a possible reason the phases, checkpoints, and gender diversity in academic science create... Data from cell fractionation studies in africa in females, who were born after this period of heavy poaching 33!
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