Article #4 Dung Beetles: Where Did All the Poo Go? Whats more astonishing is that scientists dont really know if this is a good thing. Polar Bears Across the Arctic Face Shorter Sea Ice Season. Evolutionary science demonstrates that Polar and Grizzly Bears are very closely related, mainly separated by color and location, though still considered separate species [4]. We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn, and work. ECOLOGY Articles Bundle - 8 Articles for 28% OFF. For polar bears, the sea ice is a crucial platform for life. Each article sub plan comes in two versions with full answer keys: 1) Easily printable PDFs, as well as 2) Google Slides. Instead, a hybrid species is taking its place. Side effects of anabolic steroid use is also discussed. Students will learn about the different types of fat in the body, their functions and the issues that can arise when fat content in the body becomes imbalanced. Article #7 Body Fat: The Good, The Bad and the Ugly Truth. 0000001343 00000 n Students will learn about the pigment melanin, its function and how the skin produces and distributes this substance to produce different levels of skin pigmentation. Climate change is bringing bear species that have mostly lived apart into mating proximity: The polar bear population in Canada's western Hudson Bay region is falling, partly due to the declining ice. In some cases, hybridization can lead to reduced genetic diversity in animals, according to David Tallmon, an associate professor of biology at the University of Alaska. 2019 Arctic Sea Ice Minimum Is Second Lowest, NASA Goddard Space Remote Sensing These and the other fascinating negative effects of space living are discussed. Beyond speculation, two real cases of pizzly bear offspring in the wild (as confirmed by genetic testing) is discussed along with the possibility of other Arctic hybrids. (MAURIZIO GAMBARINI/DPA/AFP via Getty Images). There is a call for increased science literacy in classes, and a push to make science relevant to students. (2) In school suspension plans that are handy for those unexpected times. Hybrid bears, call them grolar bears or pizzlies, are "pretty blond across the back, sort of a dirty polar bear colour. Scientists say that climate change is driving the hybridization. In the case of cutthroat-rainbow trout hybrids, the hybrids are less genetically fit, with offspring of the hybrids struggling to survive, astudyled by researchers from the U.S. Geological Survey found. Additional licenses can be purchased at a discount for others to use in your department. Pizzly bears, sometimes called grolar bears, are a bear hybrid that could become more common in the Arctic as a result of the climate crisis. Paleontologist Larisa DeSantis told DailyMail.com: "This new type of bear is more resilient to climate change and better suited for warmer temperatures." Article #29 Antibiotics: Penicillin and Beyond. So-called "pizzly" bears were first spotted in the wild in 2006. Lastly, they will read about the exciting advances in stem cell research opened up by the advent of IPSCs (induced pluripotent stem cells) which helps bypass many of the ethical issues in stem cell research. Even modern humans are the product of genetic exchange with Neanderthals some 60,000 years ago. 4: Articles# 31-40 | Print & Distance Learning, SCIENCE Articles MEGA Bundle - 52 Articles, SCIENCE Articles Vol. They use the ice to travel long distances to new areas. 0000011209 00000 n The long-term trend for Arctic sea ice extent has been definitively downward. . Grizzlies, on the other hand, can eat whatever they want. Article highlights include: Franklin's achievements as a child; her research into the structure of coal which earned her a PhD; her apprenticeship for learning about X-ray diffraction; her appointment to work at King's College to help discover the structure of DNA; the tensions and hostilities with her research partner Maurice Wilkins; her success at obtaining excellent X-ray diffraction images of two forms of DNA; Wilkin's release of these images to a rival team (James Watson and Francis Crick) of researchers without telling Franklin; Franklin's research into the structure of plant viruses; Franklin's early death due to ovarian cancer at the age of 37 and the controversy over her not being acknowledged by the Nobel Prize committee. Thin sea ice swirled along the east coast of Greenland in October 2012, against a backdrop of overall thinning sea ice. My other classes were interested when they read my agenda. Mutts need not apply. Rather than growing a new branch on the [genetic] tree, you have two branches growing together, he said. Pizzly or grolar bear: grizzly-polar hybrid is a new result of climate change Grizzly bears in Alaska and Canada are moving north as their environment warms, bringing them into contact. Students will learn about slow twitch and fast twitch muscle fibers, how they create and use energy differently, how they respond to training and which types of sport each muscle fiber is best suited to helping an athlete excel at. A mount of a so-called "pizzly," a polar bear-grizzly bear hybrid, first recorded in April 2006, serves as a . Climate-induced changes in the Arctic are affecting polar bears, said Laidre, who was the main author of the study. They will find out what type of reproductive advantages this gives the fish and what conditions trigger sex changes. The "Pizzly" bear first spotted in 2006 in the Canadian Arctic has the "white fur of a polar bear but the long claws, humped back, shallow face and brown patches of a grizzly," according . Wicked Weather Watch (WWW) is a charity that aims to provide clarity for children and young people about climate change and global warming. Laidre and colleagues classified fatness on a scale of 1 to 5. Male competition using the example of elephant seal bulls is also discussed. (Thanks Shala R.), "My kids loved this, thanks!" Scientists think that the simple explanation for these Grolar and Pizzly Bears is climate change. A new study shows that polar bears are spending less time on sea ice, leading them to fast longer, become thinner and have fewer cubs. Article highlights include: his numerous failed attempts at studies and his father's disappointment in him; his eventual success at studies into the natural world; his voyage on the HMS Beagle; his return to England to scientific acclaim and respect; ideas that influenced his development of his theory of evolution by natural section (Lyell, Malthus etc.) We Say, Yes! They will also learn about the negative environmental consequences of fossil fuel use (e.g. Article highlights include: Carson's duel passions for writing and nature as a child; her academic achievements; taking a job with the U.S. Bureau of Fisheries to help support her family; her budding and acclaimed career as a writer; her concern for the widespread use of DDT and other pesticides; her need to make the public aware of the dangers of pesticides by writing a groundbreaking book called Silent Spring; her battle with intestinal and breast cancer during the four years it took to complete the book and how Silent Spring inspired a new young generation of environmental activists. Thanks for reading Scientific American. 0000017861 00000 n Cold case: Who murdered this man on Lookout Mountain? As this happens, it makes way for grizzly bear territory to expand further north which increases the interaction between the two species, with possible mating opportunities. THIS PRODUCT IS ALSO FOUND IN THESE DISCOUNTED BUNDLES: SCIENCE Articles MEGA Bundle - 52 Articles for 44% OFF. Scientists think climate change causing bears paths to cross The grizzly-polar bear hybrid has only been found a few times. These hybrids, sometimes called pizzly bears or grolar bears, have been spotted in the wild as far. (7) Assignment at the beginning of the week that is taken up at the end. Snow and Ice 0000010543 00000 n Water Students will learn about stem cells and stem cell research. 0000018689 00000 n Climate change has forced polar bears and grizzly bears to mate and create large hybrids dubbed pizzly bears. Article #42 The Evolution of Pretty Boys. Only animals that were already generalized or able to adapt survived, lamented DeSantis. Article #17 Breathing and Peeing in Space. Their findings show that the two bears split into distinct species around 1.5 million years ago, with the . This gruesome tale will enthrall your students and teach them about animal adaptations and parasitism at the same time. They will learn about the conditions under which fossil fuels are created and what turns some organic remains into oil and natural gas, while other remains form coal. Students will learn about extracting shale oil and gas through the process of fracking. "But as there's less and less ice, they're spending more and more time on land. They will learn about the difficulties people with CIPA face because they cannot feel pain, the different types of nociceptors (pain neurons) that exist in humans, how mutations in a gene destroys nociceptors in people with CIPA, the concerns parents need to have if their child has CIPA and how CIPA is genetically inherited. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). But when the father is a polar bear, the baby bear is instead called a pizzly. 0000004349 00000 n Snow and Ice. You may NOT electronically post this product online including to teacher blogs, classroom websites or school networks. The maps above show the difference in sea ice extent around Baffin Bay on July 15, 1993 and July 15, 2013. This means it couldn't survive in colder temperatures. The . By Adam Pockross. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2023 Nexstar Media Inc. All rights reserved. However, due to climate change, they're becoming a lot more common. Students can type in their answers directly in the Google Slides.These EIGHT ECOLOGY ARTICLES with questions provide a re, Updated to Include a Distance Learning Option. And the shape of a grizzly head.. Article #43 Living in Space Harms Your Body. They will learn about what characterizes each stage and the major hormones involved in each stage. 0000000016 00000 n ARTICLE SUMMARY: In this particular article, students will learn about how climate change is warming the Arctic and threatening the habitat of the polar bear. This question can be a good springboard for further exploration of how scientists study and report evidence of climate change. Hybrid throwback: polar bears evolved from brown bears around 150,000 years ago. Students will learn about why athletes blood dope, the performance enhancement effects of blood doping, blood doping techniques like drugs that stimulate red blood cell production and blood transfusions that increase red blood cell counts immediately. climate change) and a movement to "Keep it in the ground". trailer <<666F399830224B2BB149A86CEFE15FDC>]/Prev 74072>> startxref 0 %%EOF 45 0 obj <>stream We dont know yet, but perhaps the intermediate skull of the pizzly could confer a biomechanical advantage.. ), "Used this last week as a sub plan while I was gone, and it was a huge success!" A polar bears life seems simple enough: eat seals, mate, and raise cubs. Students will learn about the famous Marshmallow Experiments done in the 1970s. So-called "pizzly" bears were first spotted in the wild in 2006. "The polar bear is the canary in the coalmine telling us how bad things are." In some sense,. PLEASE CLICK THE PREVIEW and then zoom in to read a part of the article to see if it is appropriate for your classes. It is not looking good for polar bears, said DeSantis, who blames the arctic beasts decline on the melting sea ice where they hunt seals their preferred prey. Sea and Lake Ice, Image of the Day We are looking at an evolutionary change in the long term where overlaps are increasing and polar bears dont have a lot of options. They hunt for seals by finding their dens or sitting next to gaps in the ice, waiting for the unsuspecting prey to pop up. Students will learn about alloys, how they are made, how steel and stainless steel are made and about Nitinol, the amazing superelastic alloy that makes up Ironman's suit. This could be why they mated with grizzly bears, whose jaws are better equipped to eat plant tubers or scavenge carcasses when resources are scarce. Article #18 Is it Ironman? SCIENCE READING ARTICLES (ALL CAN BE FOUND IN THE MEGA BUNDLE): Article #1 Why We Love and Hate Spicy Foods. 0000044163 00000 n Students will learn about the challenges of designing food for astronauts, the requirements that space food must meet (like taking up very little space and having a long shelf-life at room temperatures), the different categories of space foods, how different equipment must be made for eating a meal in microgravity environments, and why food in space doesn't taste as good as it would on Earth. Observations made in captivity and a study conducted in the. The researchers found larger litter sizes when the mothers were in a good body condition and when spring breakup occurred later in the year, meaning bears had more time on the sea ice in spring to find food. Electric Sunroof, Head Up Display & Other Features That Make The All New Hot & Techy Brezza A Hit. Students can type in their answers directly in the Google Slides for paperless classrooms / distance learning. Reported resources will be reviewed by our team. If your child will play baseball or softball this spring, youll need to stock up on appropriate clothing and equipment. Grizzly bears, known for the distinctive hump on their shoulders, are normally solitary animals but come together to feed or to mate. But the rate at which species interbreed is accelerating because of climate change, researchers say. 4 Bundle - 10 Articles for 27% OFF. 0000017579 00000 n The event horizon and singularity is also explained as well as the classification of three types of black holes. They found that most bears follow the seasonal growth and recession of sea ice to end up on Baffin Island in the fall, when sea ice is usually at its lowest extent. 0000005195 00000 n Students will learn about the mental and physical effects of caffeine on the body, how caffeine acts on the brain to increase neuronal activity which causes alertness, how caffeine triggers the fight or flight reflex and how tolerance and addiction occur with regular caffeine intake. This issue is horrendously complex because of our ability to change the environment, said Arnold. Female polar bears are forced ashore up to two weeks earlier than in the early 1990s because of the early spring ice breakup. How antibiotic resistance develops is also discussed. The parasite takes over the snail's body and mind to turn it into an organism that will attract birds, the parasite's second host. Reprinted from Climatewire with permission from Environment & Energy Publishing, LLC. Water Polar bears, on the verge of extinction due to climate change, are frequently moving inland in search of food and mating with grizzly bears to create a hybrid animal that is more resilient to the warming world. This is how we got here and what needs to change, Inside the family succession drama threatening to change the K-pop industry forever. Also discussed is the link between Zika and microcephaly (babies born with small heads) which is the major concern with the Zika outbreak, and the potential for Zika to turn into a pandemic. Article #27 Lobotomies: Who Needs All that Brain? With large-scale climate change, the question is: Are these hybrids more well-adapted? said Arnold. Get Ready India: John Legend & Raja Kumari Set To Perform At A Limited Seating Walkers & Co. Tour. Desantis recently published a study on the changes to polar bears' diets amid global warming. Sie knnen Ihre Einstellungen jederzeit ndern, indem Sie auf unseren Websites und Apps auf den Link Datenschutz-Dashboard klicken. 2. The graph below shows the onshore arrival and departure of polar bears on Baffin Island relative to dates of sea ice advance and retreat. A new study, published in the Proceedings of the National Academy of Sciences found that climate change's effect on the bear species' habitats has also affected the animals' mating behaviors.. %PDF-1.4 % So-called pizzly bears were first spotted in the wild in 2006. These experiments demonstrate a strong correlation between the ability to exert self-control in children and their later success as adults. There, they. Less than a year after her first protest, Greta Thunberg has become one of the most famous climate activists in the world, speaking to world leaders and helping to convince them that laws needed to change. Weitere Informationen ber die Verwendung Ihrer personenbezogenen Daten finden Sie in unserer Datenschutzerklrung und unserer Cookie-Richtlinie. Article #26 Tanning, UV Radiation and Skin Cancer. The map at the top of this page shows the movements of 43 tagged adult females from 1991-1997 (left) and 38 adult females from 2009-2015 (right). Unfortunately, their highly specialized diet of blubber means they could soon go extinct a la the saber tooth tiger and other persnickety predators. Heres How To Choose, Where To Buy & More. Students will learn about the usefulness of pain to survival and about CIPA (congenital insensitivity to pain with anhidrosis). 0000001451 00000 n Article highlights include: details of his difficulties with authority and school while growing up; his amazingly productive 1905 year when he came up with and published four groundbreaking ideas (including e=mc2 and the special theory of relativity); an application of the theory of relativity; an explanation of the significance of e=mc2, his abandonment of Germany during the rise of Adolf Hitler's Third Reich, his emigration to America, his contribution to the Manhattan Project's development of nuclear weapons and his great regret for contributing to the nuclear bombings of Hiroshima and Nagasaki. Polar bears are a harbinger for the future, said Laidre. We should do what we can to be good stewards.. Article #33 Blood Doping: More Blood, More Medals. A bear shot in the frigid expanse of northern Canada is believed to be a grizzly-polar bear hybrid, a consequence of the increasing interactions between the two imposing bear species. They have the ability to fast, but if they dont eat for longer periods, they get thinner. It is competitions like these that contribute to the common perception that mixing animal species leads to maladapted animals, according to Michael Arnold, a professor of genetics at the University of Georgia. A great class discussion can ensue from this. Also discussed is how this data supports the Out of Africa theory of human migration and expansion. 0000057567 00000 n Far fewer know their real story, Baby bison killed after tourists put it in back of car, Polar bears may starve on land as ice melts: study, Record low Arctic winter ice levels a response to warmer conditions: scientists, Man discovers two highly venomous species battling in his shed, Home ownership remains in fantasy territory for many. Results showed the bears body condition was linked with sea ice availability in the current and previous year. It's the climate change diet and scientists say it's not. This is a great extension activity for classes studying the digestive system or nutrition. (3) Independent work for early finishers. Hunter Didji Ishalook originally thought hed shot a small polar bear but he said it was a half-breed a position backed by several bear experts. Students will learn about the health impacts of sugar, research showing that sugar can be more addictive than cocaine or heroine, the effect of sugar on the brain, how available sugar was to our ancestors, the effects of high-fructose corn syrup, an example of how hidden added sugars can be found in "healthy" meals and how to read food labels appropriately so that the sugar content can be better understood. Grolar bears: Climate change could be behind grizzly-polar bear hybrid, scientists say. Students will learn how a sample of someone's breath can contain compounds released from cancer cells, how sensitive dogs are to scents, how dogs are trained to detect cancer compounds in samples of patients' breath and what other things a dog's sense of smell can be used for. Ronald Fishers "Fisherian runaway" hypothesis as well as other interesting evolutionary theories behind sexual selection are examined. As temperatures continue to increase the world has just broken monthly heat records for 12 months in a row the long-term prognosis could be more favorable to the pizzly than the polar bear. It is the Flathead Basin, not the Shields Basin. This entire document, or any parts within, may not be reproduced or displayed for public viewing. Article #4 Dung Beetles: Where Did All the Poo Go? Article #10 Facebook Blues: Is Facebook Making You Unhappy? Gastric banding and gastric bypass are specifically examined. The results were published on Monday in Proceedings of the National Academy of Science. Usually hybrids arent better suited to their environments than their parents, but there is a possibility that these hybrids might be able to forage for a broader range of food sources, DeSantis told Live Science. Climate change is known for swelling the oceans and fueling extreme weather, but it may be also causing the curious emergence of a new type of bear in the Arctic. Adventures in the Arctic: 6 Questions with Kristin Laidre. Snow and Ice Students will also learn about how habit retraining can help overcome the negative behaviors that seem to stem from the lack of self-control. Subscribe to Indiatimes and get handpicked updates based on your interests! In Alaska, this has led to. Land Article #3 Beyond the Appendix: Vestigial Structures. 1998 - 2023 Nexstar Media Inc. | All Rights Reserved. 5 min read A hybrid polar-grizzly bear, known as a 'grolar' or 'pizzly' bear (Getty) Back in 2006, a strange polar bear was seen in the Northwest Territories of. You can also follow on Twitter at @WickedWeather1. This science article / sub plan comes in two versions (with answer key): 1) easily printable PDFs, as well as 2) Google Slides for distance learning.